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py3k buffered vs unbuffered IO

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May 11th, 2011
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  1. f = open("test.bin", "w+b", buffering=-1) # change buffering to 0 for different output
  2. f.seek(0, 1)
  3. f.seek(10, 0)
  4. f.seek(-10, 1)
  5. f.write(b'\xFF')
  6. f.write(b'\xFF')
  7. f.write(b'\xFF')
  8. f.write(b'\xFF')
  9. f.write(b'\x00')
  10. f.write(b'\xFF')
  11. f.write(b'\xFF')
  12. f.write(b'\xFF')
  13. f.write(b'\x00')
  14. f.write(b'\x00')
  15. f.write(b'\x00')
  16. f.write(b'\x00')
  17. f.write(b'\x00')
  18. f.write(b'\x00')
  19. f.write(b'\x00')
  20. f.write(b'\x00')
  21. f.write(b'\x00')
  22. f.write(b'\x00')
  23. f.write(b'\x00')
  24. f.write(b'\x00')
  25. f.write(b'\x00')
  26. f.write(b'\xFF')
  27. f.write(b'\x00')
  28. f.write(b'\x00')
  29. f.write(b'\x00')
  30. f.write(b'\x00')
  31. f.write(b'\x00')
  32. f.write(b'\x00')
  33. f.write(b'\x00')
  34. f.write(b'\x00')
  35. f.write(b'\x00')
  36. f.write(b'\x00')
  37. f.write(b'\x00')
  38. f.write(b'\x00')
  39. f.write(b'\x00')
  40. f.write(b'\x00')
  41. f.seek(0, 0)
  42. print(f.read(36))
  43. f.seek(36, 0)
  44. f.write(b'\xFF')
  45. f.write(b'\x00')
  46. f.write(b'\x00')
  47. f.seek(36, 0)
  48. print(f.read(3))
  49. f.seek(39, 0)
  50. f.write(b'\xFF')
  51. f.write(b'\x00')
  52. f.seek(39, 0)
  53. print(f.read(2))
  54. f.seek(41, 0)
  55. f.write(b'\xFF')
  56. f.write(b'\xFF')
  57. f.write(b'\xFF')
  58. f.write(b'\x00')
  59. f.write(b'\x00')
  60. f.seek(41, 0)
  61. print(f.read(5))
  62. f.seek(46, 0)
  63. f.write(b'\xFF')
  64. f.write(b'\x00')
  65. f.seek(46, 0)
  66. print(f.read(2))
  67. f.seek(48, 0)
  68. f.write(b'\xFF')
  69. f.write(b'\x00')
  70. f.write(b'\x00')
  71. f.seek(48, 0)
  72. print(f.read(3))
  73. f.seek(51, 0)
  74. f.write(b'\xFF')
  75. f.write(b'\x00')
  76. f.seek(51, 0)
  77. print(f.read(2))
  78. f.seek(53, 0)
  79. f.write(b'\xFF')
  80. f.write(b'\x00')
  81. f.write(b'\x00')
  82. f.seek(53, 0)
  83. print(f.read(3))
  84. f.seek(56, 0)
  85. f.write(b'\xFF')
  86. f.write(b'\xFF')
  87. f.write(b'\x00')
  88. f.write(b'\xFF')
  89. f.write(b'\xFF')
  90. f.seek(56, 0)
  91. print(f.read(5))
  92. f.seek(61, 0)
  93. f.write(b'\xFF')
  94. f.write(b'\xFF')
  95. f.write(b'\x00')
  96. f.write(b'\xFF')
  97. f.write(b'\xFF')
  98. f.seek(61, 0)
  99. print(f.read(5))
  100. f.seek(66, 0)
  101. f.write(b'\xFF')
  102. f.write(b'\x00')
  103. f.seek(66, 0)
  104. print(f.read(2))
  105. f.seek(68, 0)
  106. f.write(b'\xFF')
  107. f.write(b'\x00')
  108. f.write(b'\x00')
  109. f.seek(68, 0)
  110. print(f.read(3))
  111. f.seek(71, 0)
  112. f.write(b'\xFF')
  113. f.write(b'\x00')
  114. f.seek(71, 0)
  115. print(f.read(2))
  116. f.seek(73, 0)
  117. f.write(b'\x00')
  118. f.write(b'\xFF')
  119. f.write(b'\xFF')
  120. f.write(b'\xFF')
  121. f.write(b'\xFF')
  122. f.write(b'\xFF')
  123. f.write(b'\xFF')
  124. f.seek(73, 0)
  125. print(f.read(7))
  126. f.seek(80, 0)
  127. f.write(b'\x00')
  128. f.write(b'\x00')
  129. f.write(b'\xFF')
  130. f.write(b'\xFF')
  131. f.write(b'\xFF')
  132. f.write(b'\xFF')
  133. f.write(b'\xFF')
  134. f.write(b'\xFF')
  135. f.write(b'\x00')
  136. f.write(b'\x00')
  137. f.write(b'\x00')
  138. f.write(b'\xFF')
  139. f.write(b'\x00')
  140. f.write(b'\x00')
  141. f.write(b'\x00')
  142. f.write(b'\xFF')
  143. f.write(b'\x00')
  144. f.write(b'\x00')
  145. f.write(b'\x00')
  146. f.write(b'\xFF')
  147. f.write(b'\x00')
  148. f.write(b'\x00')
  149. f.write(b'\x00')
  150. f.write(b'\xFF')
  151. f.seek(80, 0)
  152. print(f.read(24))
  153. f.seek(104, 0)
  154. f.write(b'\xFF')
  155. f.write(b'\x00')
  156. f.write(b'\x00')
  157. f.write(b'\x00')
  158. f.write(b'\x00')
  159. f.write(b'\x00')
  160. f.write(b'\x00')
  161. f.write(b'\xFF')
  162. f.write(b'\x00')
  163. f.write(b'\x00')
  164. f.write(b'\x00')
  165. f.write(b'\xFF')
  166. f.write(b'\x00')
  167. f.write(b'\x00')
  168. f.write(b'\x00')
  169. f.write(b'\xFF')
  170. f.write(b'\x00')
  171. f.write(b'\x00')
  172. f.write(b'\x00')
  173. f.write(b'\xFF')
  174. f.write(b'\x00')
  175. f.write(b'\x00')
  176. f.write(b'\x00')
  177. f.write(b'\xFF')
  178. f.write(b'\x00')
  179. f.write(b'\x00')
  180. f.write(b'\x00')
  181. f.write(b'\xFF')
  182. f.write(b'\x00')
  183. f.write(b'\x00')
  184. f.write(b'\x00')
  185. f.write(b'\xFF')
  186. f.write(b'\x00')
  187. f.write(b'\x00')
  188. f.write(b'\x00')
  189. f.write(b'\xFF')
  190. f.write(b'\x00')
  191. f.write(b'\x00')
  192. f.write(b'\x00')
  193. f.write(b'\xFF')
  194. f.write(b'\x00')
  195. f.write(b'\x00')
  196. f.write(b'\x00')
  197. f.write(b'\xFF')
  198. f.write(b'\x00')
  199. f.write(b'\x00')
  200. f.write(b'\x00')
  201. f.write(b'\xFF')
  202. f.write(b'\x00')
  203. f.write(b'\x00')
  204. f.write(b'\x00')
  205. f.write(b'\xFF')
  206. f.write(b'\x00')
  207. f.write(b'\x00')
  208. f.write(b'\x00')
  209. f.write(b'\xFF')
  210. f.write(b'\x00')
  211. f.write(b'\x00')
  212. f.write(b'\x00')
  213. f.write(b'\xFF')
  214. f.write(b'\x00')
  215. f.write(b'\x00')
  216. f.write(b'\x00')
  217. f.write(b'\xFF')
  218. f.write(b'\x00')
  219. f.write(b'\x00')
  220. f.write(b'\x00')
  221. f.write(b'\xFF')
  222. f.write(b'\x00')
  223. f.write(b'\x00')
  224. f.write(b'\x00')
  225. f.write(b'\xFF')
  226. f.write(b'\x00')
  227. f.write(b'\x00')
  228. f.write(b'\x00')
  229. f.write(b'\xFF')
  230. f.write(b'\x00')
  231. f.write(b'\x00')
  232. f.write(b'\x00')
  233. f.write(b'\xFF')
  234. f.write(b'\x00')
  235. f.write(b'\x00')
  236. f.write(b'\x00')
  237. f.write(b'\xFF')
  238. f.write(b'\x00')
  239. f.write(b'\x00')
  240. f.write(b'\x00')
  241. f.write(b'\xFF')
  242. f.write(b'\x00')
  243. f.write(b'\x00')
  244. f.write(b'\x00')
  245. f.write(b'\xFF')
  246. f.write(b'\x00')
  247. f.write(b'\x00')
  248. f.write(b'\x00')
  249. f.write(b'\xFF')
  250. f.write(b'\x00')
  251. f.write(b'\x00')
  252. f.write(b'\x00')
  253. f.write(b'\x00')
  254. f.seek(104, 0)
  255. print(f.read(100))
  256. f.seek(204, 0)
  257. f.write(b'\xFF')
  258. f.write(b'\x00')
  259. f.write(b'\x00')
  260. f.write(b'\x00')
  261. f.write(b'\x00')
  262. f.write(b'\x00')
  263. f.write(b'\x00')
  264. f.write(b'\xFF')
  265. f.write(b'\x00')
  266. f.write(b'\x00')
  267. f.write(b'\x00')
  268. f.write(b'\xFF')
  269. f.write(b'\x00')
  270. f.write(b'\x00')
  271. f.write(b'\x00')
  272. f.write(b'\xFF')
  273. f.write(b'\x00')
  274. f.write(b'\x00')
  275. f.write(b'\x00')
  276. f.write(b'\xFF')
  277. f.write(b'\x00')
  278. f.write(b'\x00')
  279. f.write(b'\x00')
  280. f.write(b'\xFF')
  281. f.write(b'\x00')
  282. f.write(b'\x00')
  283. f.write(b'\x00')
  284. f.write(b'\xFF')
  285. f.write(b'\x00')
  286. f.write(b'\x00')
  287. f.write(b'\x00')
  288. f.write(b'\xFF')
  289. f.write(b'\x00')
  290. f.write(b'\x00')
  291. f.write(b'\x00')
  292. f.write(b'\x00')
  293. f.seek(204, 0)
  294. print(f.read(36))
  295. f.seek(240, 0)
  296. f.write(b'\xFF')
  297. f.write(b'\xFF')
  298. f.write(b'\xFF')
  299. f.write(b'\xFF')
  300. f.write(b'\xFF')
  301. f.write(b'\xFF')
  302. f.write(b'\x00')
  303. f.seek(240, 0)
  304. print(f.read(7))
  305. f.seek(247, 0)
  306. f.write(b'\xFF')
  307. f.write(b'\xFF')
  308. f.write(b'\xFF')
  309. f.write(b'\xFF')
  310. f.write(b'\xFF')
  311. f.write(b'\xFF')
  312. f.write(b'\xFF')
  313. f.write(b'\xFF')
  314. f.write(b'\xFF')
  315. f.write(b'\xFF')
  316. f.write(b'\xFF')
  317. f.write(b'\xFF')
  318. f.write(b'\xFF')
  319. f.write(b'\xFF')
  320. f.write(b'\xFF')
  321. f.write(b'\xFF')
  322. f.write(b'\xFF')
  323. f.write(b'\xFF')
  324. f.write(b'\xFF')
  325. f.write(b'\xFF')
  326. f.write(b'\xFF')
  327. f.write(b'\xFF')
  328. f.write(b'\xFF')
  329. f.write(b'\xFF')
  330. f.write(b'\xFF')
  331. f.write(b'\xFF')
  332. f.write(b'\xFF')
  333. f.write(b'\xFF')
  334. f.write(b'\xFF')
  335. f.write(b'\xFF')
  336. f.write(b'\xFF')
  337. f.write(b'\xFF')
  338. f.write(b'\xFF')
  339. f.write(b'\xFF')
  340. f.write(b'\xFF')
  341. f.write(b'\xFF')
  342. f.write(b'\xFF')
  343. f.write(b'\xFF')
  344. f.write(b'\xFF')
  345. f.write(b'\xFF')
  346. f.write(b'\xFF')
  347. f.write(b'\xFF')
  348. f.write(b'\xFF')
  349. f.write(b'\xFF')
  350. f.write(b'\xFF')
  351. f.write(b'\xFF')
  352. f.write(b'\xFF')
  353. f.write(b'\xFF')
  354. f.write(b'\xFF')
  355. f.write(b'\xFF')
  356. f.write(b'\xFF')
  357. f.write(b'\xFF')
  358. f.write(b'\xFF')
  359. f.write(b'\xFF')
  360. f.write(b'\xFF')
  361. f.write(b'\xFF')
  362. f.write(b'\xFF')
  363. f.write(b'\xFF')
  364. f.write(b'\xFF')
  365. f.write(b'\xFF')
  366. f.write(b'\xFF')
  367. f.write(b'\xFF')
  368. f.write(b'\xFF')
  369. f.write(b'\xFF')
  370. f.write(b'\xFF')
  371. f.write(b'\xFF')
  372. f.write(b'\xFF')
  373. f.write(b'\xFF')
  374. f.write(b'\xFF')
  375. f.write(b'\xFF')
  376. f.write(b'\xFF')
  377. f.write(b'\xFF')
  378. f.write(b'\xFF')
  379. f.write(b'\xFF')
  380. f.write(b'\xFF')
  381. f.write(b'\xFF')
  382. f.write(b'\xFF')
  383. f.write(b'\xFF')
  384. f.write(b'\xFF')
  385. f.write(b'\xFF')
  386. f.write(b'\xFF')
  387. f.write(b'\xFF')
  388. f.write(b'\xFF')
  389. f.write(b'\xFF')
  390. f.write(b'\xFF')
  391. f.write(b'\xFF')
  392. f.write(b'\xFF')
  393. f.write(b'\xFF')
  394. f.write(b'\xFF')
  395. f.write(b'\xFF')
  396. f.write(b'\xFF')
  397. f.write(b'\xFF')
  398. f.write(b'\xFF')
  399. f.write(b'\xFF')
  400. f.write(b'\xFF')
  401. f.write(b'\xFF')
  402. f.write(b'\xFF')
  403. f.write(b'\xFF')
  404. f.write(b'\xFF')
  405. f.write(b'\xFF')
  406. f.write(b'\xFF')
  407. f.write(b'\xFF')
  408. f.write(b'\xFF')
  409. f.write(b'\xFF')
  410. f.write(b'\xFF')
  411. f.write(b'\xFF')
  412. f.write(b'\xFF')
  413. f.write(b'\xFF')
  414. f.write(b'\xFF')
  415. f.write(b'\xFF')
  416. f.write(b'\xFF')
  417. f.write(b'\xFF')
  418. f.write(b'\xFF')
  419. f.write(b'\xFF')
  420. f.write(b'\xFF')
  421. f.write(b'\xFF')
  422. f.write(b'\xFF')
  423. f.write(b'\xFF')
  424. f.write(b'\xFF')
  425. f.write(b'\xFF')
  426. f.write(b'\xFF')
  427. f.write(b'\xFF')
  428. f.write(b'\xFF')
  429. f.write(b'\xFF')
  430. f.write(b'\xFF')
  431. f.write(b'\xFF')
  432. f.write(b'\xFF')
  433. f.write(b'\xFF')
  434. f.write(b'\xFF')
  435. f.write(b'\xFF')
  436. f.write(b'\xFF')
  437. f.write(b'\xFF')
  438. f.write(b'\xFF')
  439. f.write(b'\xFF')
  440. f.write(b'\xFF')
  441. f.write(b'\xFF')
  442. f.write(b'\xFF')
  443. f.write(b'\xFF')
  444. f.write(b'\xFF')
  445. f.write(b'\xFF')
  446. f.write(b'\xFF')
  447. f.write(b'\xFF')
  448. f.write(b'\xFF')
  449. f.write(b'\xFF')
  450. f.write(b'\xFF')
  451. f.write(b'\xFF')
  452. f.write(b'\xFF')
  453. f.write(b'\xFF')
  454. f.write(b'\xFF')
  455. f.write(b'\xFF')
  456. f.write(b'\xFF')
  457. f.write(b'\xFF')
  458. f.write(b'\xFF')
  459. f.write(b'\xFF')
  460. f.write(b'\xFF')
  461. f.write(b'\xFF')
  462. f.write(b'\xFF')
  463. f.write(b'\xFF')
  464. f.write(b'\xFF')
  465. f.write(b'\xFF')
  466. f.write(b'\xFF')
  467. f.write(b'\xFF')
  468. f.write(b'\xFF')
  469. f.write(b'\xFF')
  470. f.write(b'\xFF')
  471. f.write(b'\xFF')
  472. f.write(b'\xFF')
  473. f.write(b'\xFF')
  474. f.write(b'\xFF')
  475. f.write(b'\xFF')
  476. f.write(b'\xFF')
  477. f.write(b'\xFF')
  478. f.write(b'\xFF')
  479. f.write(b'\xFF')
  480. f.write(b'\xFF')
  481. f.write(b'\xFF')
  482. f.write(b'\xFF')
  483. f.write(b'\xFF')
  484. f.write(b'\xFF')
  485. f.write(b'\xFF')
  486. f.write(b'\xFF')
  487. f.write(b'\xFF')
  488. f.write(b'\xFF')
  489. f.write(b'\xFF')
  490. f.write(b'\xFF')
  491. f.write(b'\xFF')
  492. f.write(b'\xFF')
  493. f.write(b'\xFF')
  494. f.write(b'\xFF')
  495. f.write(b'\xFF')
  496. f.write(b'\xFF')
  497. f.write(b'\xFF')
  498. f.write(b'\xFF')
  499. f.write(b'\xFF')
  500. f.write(b'\xFF')
  501. f.write(b'\xFF')
  502. f.write(b'\xFF')
  503. f.write(b'\xFF')
  504. f.write(b'\xFF')
  505. f.write(b'\xFF')
  506. f.write(b'\xFF')
  507. f.write(b'\xFF')
  508. f.write(b'\xFF')
  509. f.write(b'\xFF')
  510. f.write(b'\xFF')
  511. f.write(b'\xFF')
  512. f.write(b'\xFF')
  513. f.write(b'\xFF')
  514. f.write(b'\xFF')
  515. f.write(b'\xFF')
  516. f.write(b'\xFF')
  517. f.write(b'\xFF')
  518. f.write(b'\xFF')
  519. f.write(b'\xFF')
  520. f.write(b'\xFF')
  521. f.write(b'\xFF')
  522. f.write(b'\xFF')
  523. f.write(b'\xFF')
  524. f.write(b'\xFF')
  525. f.write(b'\xFF')
  526. f.write(b'\xFF')
  527. f.write(b'\xFF')
  528. f.write(b'\xFF')
  529. f.write(b'\xFF')
  530. f.write(b'\xFF')
  531. f.write(b'\xFF')
  532. f.write(b'\xFF')
  533. f.write(b'\xFF')
  534. f.write(b'\xFF')
  535. f.write(b'\xFF')
  536. f.write(b'\xFF')
  537. f.write(b'\xFF')
  538. f.write(b'\xFF')
  539. f.write(b'\xFF')
  540. f.write(b'\xFF')
  541. f.write(b'\xFF')
  542. f.write(b'\xFF')
  543. f.write(b'\xFF')
  544. f.write(b'\xFF')
  545. f.write(b'\xFF')
  546. f.write(b'\xFF')
  547. f.write(b'\xFF')
  548. f.write(b'\xFF')
  549. f.write(b'\xFF')
  550. f.write(b'\xFF')
  551. f.write(b'\xFF')
  552. f.write(b'\xFF')
  553. f.write(b'\xFF')
  554. f.write(b'\xFF')
  555. f.write(b'\xFF')
  556. f.write(b'\xFF')
  557. f.write(b'\xFF')
  558. f.write(b'\xFF')
  559. f.write(b'\xFF')
  560. f.write(b'\xFF')
  561. f.write(b'\xFF')
  562. f.write(b'\xFF')
  563. f.write(b'\xFF')
  564. f.write(b'\xFF')
  565. f.write(b'\xFF')
  566. f.write(b'\xFF')
  567. f.write(b'\xFF')
  568. f.write(b'\xFF')
  569. f.write(b'\xFF')
  570. f.write(b'\xFF')
  571. f.write(b'\xFF')
  572. f.write(b'\xFF')
  573. f.write(b'\xFF')
  574. f.write(b'\xFF')
  575. f.write(b'\xFF')
  576. f.write(b'\xFF')
  577. f.write(b'\xFF')
  578. f.write(b'\xFF')
  579. f.write(b'\xFF')
  580. f.write(b'\xFF')
  581. f.write(b'\xFF')
  582. f.write(b'\xFF')
  583. f.write(b'\xFF')
  584. f.write(b'\xFF')
  585. f.write(b'\xFF')
  586. f.write(b'\xFF')
  587. f.write(b'\xFF')
  588. f.write(b'\xFF')
  589. f.write(b'\xFF')
  590. f.write(b'\xFF')
  591. f.write(b'\xFF')
  592. f.write(b'\xFF')
  593. f.write(b'\xFF')
  594. f.write(b'\xFF')
  595. f.write(b'\xFF')
  596. f.write(b'\xFF')
  597. f.write(b'\xFF')
  598. f.write(b'\xFF')
  599. f.write(b'\xFF')
  600. f.write(b'\xFF')
  601. f.write(b'\xFF')
  602. f.write(b'\xFF')
  603. f.write(b'\xFF')
  604. f.write(b'\xFF')
  605. f.write(b'\xFF')
  606. f.write(b'\xFF')
  607. f.write(b'\xFF')
  608. f.write(b'\xFF')
  609. f.write(b'\xFF')
  610. f.write(b'\xFF')
  611. f.write(b'\xFF')
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  1216. f.write(b'\xFF')
  1217. f.write(b'\xFF')
  1218. f.write(b'\xFF')
  1219. f.write(b'\xFF')
  1220. f.write(b'\xFF')
  1221. f.write(b'\xFF')
  1222. f.write(b'\xFF')
  1223. f.write(b'\xFF')
  1224. f.write(b'\xFF')
  1225. f.write(b'\xFF')
  1226. f.write(b'\xFF')
  1227. f.write(b'\xFF')
  1228. f.write(b'\xFF')
  1229. f.write(b'\xFF')
  1230. f.write(b'\xFF')
  1231. f.write(b'\xFF')
  1232. f.write(b'\xFF')
  1233. f.write(b'\xFF')
  1234. f.write(b'\xFF')
  1235. f.write(b'\xFF')
  1236. f.write(b'\xFF')
  1237. f.write(b'\xFF')
  1238. f.write(b'\xFF')
  1239. f.write(b'\xFF')
  1240. f.write(b'\xFF')
  1241. f.write(b'\xFF')
  1242. f.write(b'\xFF')
  1243. f.write(b'\xFF')
  1244. f.write(b'\xFF')
  1245. f.write(b'\xFF')
  1246. f.write(b'\xFF')
  1247. f.write(b'\xFF')
  1248. f.write(b'\xFF')
  1249. f.write(b'\xFF')
  1250. f.write(b'\xFF')
  1251. f.write(b'\xFF')
  1252. f.write(b'\xFF')
  1253. f.write(b'\xFF')
  1254. f.write(b'\xFF')
  1255. f.write(b'\xFF')
  1256. f.write(b'\xFF')
  1257. f.write(b'\xFF')
  1258. f.write(b'\xFF')
  1259. f.write(b'\xFF')
  1260. f.write(b'\xFF')
  1261. f.write(b'\xFF')
  1262. f.write(b'\xFF')
  1263. f.write(b'\xFF')
  1264. f.write(b'\xFF')
  1265. f.write(b'\xFF')
  1266. f.write(b'\xFF')
  1267. f.write(b'\xFF')
  1268. f.write(b'\xFF')
  1269. f.write(b'\xFF')
  1270. f.write(b'\xFF')
  1271. f.write(b'\xFF')
  1272. f.write(b'\xFF')
  1273. f.write(b'\xFF')
  1274. f.write(b'\xFF')
  1275. f.write(b'\xFF')
  1276. f.write(b'\xFF')
  1277. f.write(b'\xFF')
  1278. f.write(b'\xFF')
  1279. f.write(b'\xFF')
  1280. f.write(b'\xFF')
  1281. f.write(b'\xFF')
  1282. f.write(b'\xFF')
  1283. f.write(b'\xFF')
  1284. f.write(b'\xFF')
  1285. f.write(b'\xFF')
  1286. f.write(b'\xFF')
  1287. f.write(b'\xFF')
  1288. f.write(b'\xFF')
  1289. f.write(b'\xFF')
  1290. f.write(b'\xFF')
  1291. f.write(b'\xFF')
  1292. f.write(b'\xFF')
  1293. f.write(b'\xFF')
  1294. f.write(b'\xFF')
  1295. f.write(b'\xFF')
  1296. f.write(b'\xFF')
  1297. f.write(b'\xFF')
  1298. f.write(b'\xFF')
  1299. f.write(b'\xFF')
  1300. f.write(b'\xFF')
  1301. f.write(b'\xFF')
  1302. f.write(b'\xFF')
  1303. f.write(b'\xFF')
  1304. f.write(b'\xFF')
  1305. f.write(b'\xFF')
  1306. f.write(b'\xFF')
  1307. f.write(b'\xFF')
  1308. f.write(b'\xFF')
  1309. f.write(b'\xFF')
  1310. f.write(b'\xFF')
  1311. f.write(b'\xFF')
  1312. f.write(b'\xFF')
  1313. f.write(b'\xFF')
  1314. f.write(b'\xFF')
  1315. f.write(b'\xFF')
  1316. f.write(b'\xFF')
  1317. f.write(b'\xFF')
  1318. f.write(b'\xFF')
  1319. f.write(b'\xFF')
  1320. f.write(b'\xFF')
  1321. f.write(b'\xFF')
  1322. f.write(b'\xFF')
  1323. f.write(b'\xFF')
  1324. f.write(b'\xFF')
  1325. f.write(b'\xFF')
  1326. f.write(b'\xFF')
  1327. f.write(b'\xFF')
  1328. f.write(b'\xFF')
  1329. f.write(b'\xFF')
  1330. f.write(b'\xFF')
  1331. f.write(b'\xFF')
  1332. f.write(b'\xFF')
  1333. f.write(b'\xFF')
  1334. f.write(b'\xFF')
  1335. f.write(b'\xFF')
  1336. f.write(b'\xFF')
  1337. f.write(b'\xFF')
  1338. f.write(b'\xFF')
  1339. f.write(b'\xFF')
  1340. f.write(b'\xFF')
  1341. f.write(b'\xFF')
  1342. f.write(b'\xFF')
  1343. f.write(b'\xFF')
  1344. f.write(b'\xFF')
  1345. f.write(b'\xFF')
  1346. f.write(b'\xFF')
  1347. f.write(b'\xFF')
  1348. f.write(b'\xFF')
  1349. f.write(b'\xFF')
  1350. f.write(b'\xFF')
  1351. f.write(b'\xFF')
  1352. f.write(b'\xFF')
  1353. f.write(b'\xFF')
  1354. f.write(b'\xFF')
  1355. f.write(b'\xFF')
  1356. f.write(b'\xFF')
  1357. f.write(b'\xFF')
  1358. f.write(b'\xFF')
  1359. f.write(b'\xFF')
  1360. f.write(b'\xFF')
  1361. f.write(b'\xFF')
  1362. f.write(b'\xFF')
  1363. f.write(b'\xFF')
  1364. f.write(b'\xFF')
  1365. f.write(b'\xFF')
  1366. f.write(b'\xFF')
  1367. f.write(b'\xFF')
  1368. f.write(b'\xFF')
  1369. f.write(b'\xFF')
  1370. f.write(b'\xFF')
  1371. f.write(b'\xFF')
  1372. f.write(b'\xFF')
  1373. f.write(b'\xFF')
  1374. f.write(b'\xFF')
  1375. f.write(b'\xFF')
  1376. f.write(b'\xFF')
  1377. f.write(b'\xFF')
  1378. f.write(b'\xFF')
  1379. f.write(b'\xFF')
  1380. f.write(b'\xFF')
  1381. f.write(b'\xFF')
  1382. f.write(b'\xFF')
  1383. f.write(b'\xFF')
  1384. f.write(b'\xFF')
  1385. f.write(b'\xFF')
  1386. f.write(b'\xFF')
  1387. f.write(b'\xFF')
  1388. f.write(b'\xFF')
  1389. f.write(b'\xFF')
  1390. f.write(b'\xFF')
  1391. f.write(b'\xFF')
  1392. f.write(b'\xFF')
  1393. f.write(b'\xFF')
  1394. f.write(b'\xFF')
  1395. f.write(b'\xFF')
  1396. f.write(b'\xFF')
  1397. f.write(b'\xFF')
  1398. f.write(b'\xFF')
  1399. f.write(b'\xFF')
  1400. f.write(b'\xFF')
  1401. f.write(b'\xFF')
  1402. f.write(b'\xFF')
  1403. f.write(b'\xFF')
  1404. f.write(b'\xFF')
  1405. f.write(b'\xFF')
  1406. f.write(b'\xFF')
  1407. f.write(b'\xFF')
  1408. f.write(b'\xFF')
  1409. f.write(b'\xFF')
  1410. f.write(b'\xFF')
  1411. f.write(b'\xFF')
  1412. f.write(b'\xFF')
  1413. f.write(b'\xFF')
  1414. f.write(b'\xFF')
  1415. f.write(b'\xFF')
  1416. f.write(b'\xFF')
  1417. f.write(b'\xFF')
  1418. f.write(b'\xFF')
  1419. f.write(b'\xFF')
  1420. f.write(b'\xFF')
  1421. f.write(b'\xFF')
  1422. f.write(b'\xFF')
  1423. f.write(b'\xFF')
  1424. f.write(b'\xFF')
  1425. f.write(b'\xFF')
  1426. f.write(b'\xFF')
  1427. f.write(b'\xFF')
  1428. f.write(b'\xFF')
  1429. f.write(b'\xFF')
  1430. f.write(b'\xFF')
  1431. f.write(b'\xFF')
  1432. f.write(b'\xFF')
  1433. f.write(b'\xFF')
  1434. f.write(b'\xFF')
  1435. f.write(b'\xFF')
  1436. f.write(b'\xFF')
  1437. f.write(b'\xFF')
  1438. f.write(b'\xFF')
  1439. f.write(b'\xFF')
  1440. f.write(b'\xFF')
  1441. f.write(b'\xFF')
  1442. f.write(b'\xFF')
  1443. f.write(b'\xFF')
  1444. f.write(b'\xFF')
  1445. f.write(b'\xFF')
  1446. f.write(b'\xFF')
  1447. f.write(b'\xFF')
  1448. f.write(b'\xFF')
  1449. f.write(b'\xFF')
  1450. f.write(b'\xFF')
  1451. f.write(b'\xFF')
  1452. f.write(b'\xFF')
  1453. f.write(b'\xFF')
  1454. f.write(b'\xFF')
  1455. f.write(b'\xFF')
  1456. f.write(b'\xFF')
  1457. f.write(b'\xFF')
  1458. f.write(b'\xFF')
  1459. f.write(b'\xFF')
  1460. f.write(b'\xFF')
  1461. f.write(b'\xFF')
  1462. f.write(b'\xFF')
  1463. f.write(b'\xFF')
  1464. f.write(b'\xFF')
  1465. f.write(b'\xFF')
  1466. f.write(b'\xFF')
  1467. f.write(b'\xFF')
  1468. f.write(b'\xFF')
  1469. f.write(b'\xFF')
  1470. f.write(b'\xFF')
  1471. f.write(b'\xFF')
  1472. f.write(b'\xFF')
  1473. f.write(b'\xFF')
  1474. f.write(b'\xFF')
  1475. f.write(b'\xFF')
  1476. f.write(b'\xFF')
  1477. f.write(b'\xFF')
  1478. f.write(b'\xFF')
  1479. f.write(b'\xFF')
  1480. f.write(b'\xFF')
  1481. f.write(b'\xFF')
  1482. f.write(b'\xFF')
  1483. f.write(b'\xFF')
  1484. f.write(b'\xFF')
  1485. f.write(b'\xFF')
  1486. f.write(b'\xFF')
  1487. f.write(b'\xFF')
  1488. f.write(b'\xFF')
  1489. f.write(b'\xFF')
  1490. f.write(b'\xFF')
  1491. f.write(b'\xFF')
  1492. f.write(b'\xFF')
  1493. f.write(b'\xFF')
  1494. f.write(b'\xFF')
  1495. f.write(b'\xFF')
  1496. f.write(b'\xFF')
  1497. f.write(b'\xFF')
  1498. f.write(b'\xFF')
  1499. f.write(b'\xFF')
  1500. f.write(b'\xFF')
  1501. f.write(b'\xFF')
  1502. f.write(b'\xFF')
  1503. f.write(b'\xFF')
  1504. f.write(b'\xFF')
  1505. f.write(b'\xFF')
  1506. f.write(b'\xFF')
  1507. f.write(b'\xFF')
  1508. f.write(b'\xFF')
  1509. f.write(b'\xFF')
  1510. f.write(b'\xFF')
  1511. f.write(b'\xFF')
  1512. f.write(b'\xFF')
  1513. f.write(b'\xFF')
  1514. f.write(b'\xFF')
  1515. f.write(b'\xFF')
  1516. f.write(b'\xFF')
  1517. f.write(b'\xFF')
  1518. f.write(b'\xFF')
  1519. f.write(b'\xFF')
  1520. f.write(b'\xFF')
  1521. f.write(b'\xFF')
  1522. f.write(b'\xFF')
  1523. f.write(b'\xFF')
  1524. f.write(b'\xFF')
  1525. f.write(b'\xFF')
  1526. f.write(b'\xFF')
  1527. f.write(b'\xFF')
  1528. f.write(b'\xFF')
  1529. f.write(b'\xFF')
  1530. f.write(b'\xFF')
  1531. f.write(b'\xFF')
  1532. f.write(b'\xFF')
  1533. f.write(b'\xFF')
  1534. f.write(b'\xFF')
  1535. f.write(b'\xFF')
  1536. f.write(b'\xFF')
  1537. f.write(b'\xFF')
  1538. f.write(b'\xFF')
  1539. f.write(b'\xFF')
  1540. f.write(b'\xFF')
  1541. f.write(b'\xFF')
  1542. f.write(b'\xFF')
  1543. f.write(b'\xFF')
  1544. f.write(b'\xFF')
  1545. f.write(b'\xFF')
  1546. f.write(b'\xFF')
  1547. f.write(b'\xFF')
  1548. f.write(b'\xFF')
  1549. f.write(b'\xFF')
  1550. f.write(b'\xFF')
  1551. f.write(b'\xFF')
  1552. f.write(b'\xFF')
  1553. f.write(b'\xFF')
  1554. f.write(b'\xFF')
  1555. f.write(b'\xFF')
  1556. f.write(b'\xFF')
  1557. f.write(b'\xFF')
  1558. f.write(b'\xFF')
  1559. f.write(b'\xFF')
  1560. f.write(b'\xFF')
  1561. f.write(b'\xFF')
  1562. f.write(b'\xFF')
  1563. f.write(b'\xFF')
  1564. f.write(b'\xFF')
  1565. f.write(b'\xFF')
  1566. f.write(b'\xFF')
  1567. f.write(b'\xFF')
  1568. f.write(b'\xFF')
  1569. f.write(b'\xFF')
  1570. f.write(b'\xFF')
  1571. f.write(b'\xFF')
  1572. f.write(b'\xFF')
  1573. f.write(b'\xFF')
  1574. f.write(b'\xFF')
  1575. f.write(b'\xFF')
  1576. f.write(b'\xFF')
  1577. f.write(b'\xFF')
  1578. f.write(b'\xFF')
  1579. f.write(b'\xFF')
  1580. f.write(b'\xFF')
  1581. f.write(b'\xFF')
  1582. f.write(b'\xFF')
  1583. f.write(b'\xFF')
  1584. f.write(b'\xFF')
  1585. f.write(b'\xFF')
  1586. f.write(b'\xFF')
  1587. f.write(b'\xFF')
  1588. f.write(b'\xFF')
  1589. f.write(b'\xFF')
  1590. f.write(b'\xFF')
  1591. f.write(b'\xFF')
  1592. f.write(b'\xFF')
  1593. f.write(b'\xFF')
  1594. f.write(b'\xFF')
  1595. f.write(b'\xFF')
  1596. f.write(b'\xFF')
  1597. f.write(b'\xFF')
  1598. f.write(b'\xFF')
  1599. f.write(b'\xFF')
  1600. f.write(b'\xFF')
  1601. f.write(b'\xFF')
  1602. f.write(b'\xFF')
  1603. f.write(b'\xFF')
  1604. f.write(b'\xFF')
  1605. f.write(b'\xFF')
  1606. f.write(b'\xFF')
  1607. f.write(b'\xFF')
  1608. f.write(b'\xFF')
  1609. f.write(b'\xFF')
  1610. f.write(b'\xFF')
  1611. f.write(b'\xFF')
  1612. f.write(b'\xFF')
  1613. f.write(b'\xFF')
  1614. f.write(b'\xFF')
  1615. f.write(b'\xFF')
  1616. f.write(b'\xFF')
  1617. f.write(b'\xFF')
  1618. f.write(b'\xFF')
  1619. f.write(b'\xFF')
  1620. f.write(b'\xFF')
  1621. f.write(b'\xFF')
  1622. f.write(b'\xFF')
  1623. f.write(b'\xFF')
  1624. f.write(b'\xFF')
  1625. f.write(b'\xFF')
  1626. f.write(b'\xFF')
  1627. f.write(b'\xFF')
  1628. f.write(b'\xFF')
  1629. f.write(b'\xFF')
  1630. f.write(b'\xFF')
  1631. f.write(b'\xFF')
  1632. f.write(b'\xFF')
  1633. f.write(b'\xFF')
  1634. f.write(b'\xFF')
  1635. f.write(b'\xFF')
  1636. f.write(b'\xFF')
  1637. f.write(b'\xFF')
  1638. f.write(b'\xFF')
  1639. f.write(b'\xFF')
  1640. f.write(b'\xFF')
  1641. f.write(b'\xFF')
  1642. f.write(b'\xFF')
  1643. f.write(b'\xFF')
  1644. f.write(b'\xFF')
  1645. f.write(b'\xFF')
  1646. f.write(b'\xFF')
  1647. f.write(b'\xFF')
  1648. f.write(b'\xFF')
  1649. f.write(b'\xFF')
  1650. f.write(b'\xFF')
  1651. f.write(b'\xFF')
  1652. f.write(b'\xFF')
  1653. f.write(b'\xFF')
  1654. f.write(b'\xFF')
  1655. f.write(b'\xFF')
  1656. f.write(b'\xFF')
  1657. f.write(b'\xFF')
  1658. f.write(b'\xFF')
  1659. f.write(b'\xFF')
  1660. f.write(b'\xFF')
  1661. f.write(b'\xFF')
  1662. f.write(b'\xFF')
  1663. f.write(b'\xFF')
  1664. f.write(b'\xFF')
  1665. f.write(b'\xFF')
  1666. f.write(b'\xFF')
  1667. f.write(b'\xFF')
  1668. f.write(b'\xFF')
  1669. f.write(b'\xFF')
  1670. f.write(b'\xFF')
  1671. f.write(b'\xFF')
  1672. f.write(b'\xFF')
  1673. f.write(b'\xFF')
  1674. f.write(b'\xFF')
  1675. f.write(b'\xFF')
  1676. f.write(b'\xFF')
  1677. f.write(b'\xFF')
  1678. f.write(b'\xFF')
  1679. f.write(b'\xFF')
  1680. f.write(b'\xFF')
  1681. f.write(b'\xFF')
  1682. f.write(b'\xFF')
  1683. f.write(b'\xFF')
  1684. f.write(b'\xFF')
  1685. f.write(b'\xFF')
  1686. f.write(b'\xFF')
  1687. f.write(b'\xFF')
  1688. f.write(b'\xFF')
  1689. f.write(b'\xFF')
  1690. f.write(b'\xFF')
  1691. f.write(b'\xFF')
  1692. f.write(b'\xFF')
  1693. f.write(b'\xFF')
  1694. f.write(b'\xFF')
  1695. f.write(b'\xFF')
  1696. f.write(b'\xFF')
  1697. f.write(b'\xFF')
  1698. f.write(b'\xFF')
  1699. f.write(b'\xFF')
  1700. f.write(b'\xFF')
  1701. f.write(b'\xFF')
  1702. f.write(b'\xFF')
  1703. f.write(b'\xFF')
  1704. f.write(b'\xFF')
  1705. f.write(b'\xFF')
  1706. f.write(b'\xFF')
  1707. f.write(b'\xFF')
  1708. f.write(b'\xFF')
  1709. f.write(b'\xFF')
  1710. f.write(b'\xFF')
  1711. f.write(b'\xFF')
  1712. f.write(b'\xFF')
  1713. f.write(b'\xFF')
  1714. f.write(b'\xFF')
  1715. f.write(b'\xFF')
  1716. f.write(b'\xFF')
  1717. f.write(b'\xFF')
  1718. f.write(b'\xFF')
  1719. f.write(b'\xFF')
  1720. f.write(b'\xFF')
  1721. f.write(b'\xFF')
  1722. f.write(b'\xFF')
  1723. f.write(b'\xFF')
  1724. f.write(b'\xFF')
  1725. f.write(b'\xFF')
  1726. f.write(b'\xFF')
  1727. f.write(b'\xFF')
  1728. f.write(b'\xFF')
  1729. f.write(b'\xFF')
  1730. f.write(b'\xFF')
  1731. f.write(b'\xFF')
  1732. f.write(b'\xFF')
  1733. f.write(b'\xFF')
  1734. f.write(b'\xFF')
  1735. f.write(b'\xFF')
  1736. f.write(b'\xFF')
  1737. f.write(b'\xFF')
  1738. f.write(b'\xFF')
  1739. f.write(b'\xFF')
  1740. f.write(b'\xFF')
  1741. f.write(b'\xFF')
  1742. f.write(b'\xFF')
  1743. f.write(b'\xFF')
  1744. f.write(b'\xFF')
  1745. f.write(b'\xFF')
  1746. f.write(b'\xFF')
  1747. f.write(b'\xFF')
  1748. f.write(b'\xFF')
  1749. f.write(b'\xFF')
  1750. f.write(b'\xFF')
  1751. f.write(b'\xFF')
  1752. f.write(b'\xFF')
  1753. f.write(b'\xFF')
  1754. f.write(b'\xFF')
  1755. f.write(b'\xFF')
  1756. f.write(b'\xFF')
  1757. f.write(b'\xFF')
  1758. f.write(b'\xFF')
  1759. f.write(b'\xFF')
  1760. f.write(b'\xFF')
  1761. f.write(b'\xFF')
  1762. f.write(b'\xFF')
  1763. f.write(b'\xFF')
  1764. f.write(b'\xFF')
  1765. f.write(b'\xFF')
  1766. f.write(b'\xFF')
  1767. f.write(b'\xFF')
  1768. f.write(b'\xFF')
  1769. f.write(b'\xFF')
  1770. f.write(b'\xFF')
  1771. f.write(b'\xFF')
  1772. f.write(b'\xFF')
  1773. f.write(b'\xFF')
  1774. f.write(b'\xFF')
  1775. f.write(b'\xFF')
  1776. f.write(b'\xFF')
  1777. f.write(b'\xFF')
  1778. f.write(b'\xFF')
  1779. f.write(b'\xFF')
  1780. f.write(b'\xFF')
  1781. f.write(b'\xFF')
  1782. f.write(b'\xFF')
  1783. f.write(b'\xFF')
  1784. f.write(b'\xFF')
  1785. f.write(b'\xFF')
  1786. f.write(b'\xFF')
  1787. f.write(b'\xFF')
  1788. f.write(b'\xFF')
  1789. f.write(b'\xFF')
  1790. f.write(b'\xFF')
  1791. f.write(b'\xFF')
  1792. f.write(b'\xFF')
  1793. f.write(b'\xFF')
  1794. f.write(b'\xFF')
  1795. f.write(b'\xFF')
  1796. f.write(b'\xFF')
  1797. f.write(b'\xFF')
  1798. f.write(b'\xFF')
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  1800. f.write(b'\xFF')
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  1802. f.write(b'\xFF')
  1803. f.write(b'\xFF')
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  1805. f.write(b'\xFF')
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  1814. f.write(b'\xFF')
  1815. f.write(b'\xFF')
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  1820. f.write(b'\xFF')
  1821. f.write(b'\xFF')
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  1826. f.write(b'\xFF')
  1827. f.write(b'\xFF')
  1828. f.write(b'\xFF')
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  1830. f.write(b'\xFF')
  1831. f.write(b'\xFF')
  1832. f.write(b'\xFF')
  1833. f.write(b'\xFF')
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  1835. f.write(b'\xFF')
  1836. f.write(b'\xFF')
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  1838. f.write(b'\xFF')
  1839. f.write(b'\xFF')
  1840. f.write(b'\xFF')
  1841. f.write(b'\xFF')
  1842. f.write(b'\xFF')
  1843. f.write(b'\xFF')
  1844. f.write(b'\xFF')
  1845. f.write(b'\xFF')
  1846. f.write(b'\xFF')
  1847. f.write(b'\xFF')
  1848. f.write(b'\xFF')
  1849. f.write(b'\xFF')
  1850. f.write(b'\xFF')
  1851. f.write(b'\xFF')
  1852. f.write(b'\xFF')
  1853. f.write(b'\xFF')
  1854. f.write(b'\xFF')
  1855. f.write(b'\xFF')
  1856. f.write(b'\xFF')
  1857. f.write(b'\xFF')
  1858. f.write(b'\xFF')
  1859. f.write(b'\xFF')
  1860. f.write(b'\xFF')
  1861. f.write(b'\xFF')
  1862. f.write(b'\xFF')
  1863. f.write(b'\xFF')
  1864. f.write(b'\xFF')
  1865. f.write(b'\xFF')
  1866. f.write(b'\xFF')
  1867. f.write(b'\xFF')
  1868. f.write(b'\xFF')
  1869. f.write(b'\xFF')
  1870. f.write(b'\xFF')
  1871. f.write(b'\xFF')
  1872. f.write(b'\xFF')
  1873. f.write(b'\xFF')
  1874. f.write(b'\xFF')
  1875. f.write(b'\xFF')
  1876. f.write(b'\xFF')
  1877. f.write(b'\xFF')
  1878. f.write(b'\xFF')
  1879. f.write(b'\xFF')
  1880. f.write(b'\xFF')
  1881. f.write(b'\xFF')
  1882. f.write(b'\xFF')
  1883. f.write(b'\xFF')
  1884. f.write(b'\xFF')
  1885. f.write(b'\xFF')
  1886. f.write(b'\xFF')
  1887. f.write(b'\xFF')
  1888. f.write(b'\xFF')
  1889. f.write(b'\xFF')
  1890. f.write(b'\xFF')
  1891. f.write(b'\xFF')
  1892. f.write(b'\xFF')
  1893. f.write(b'\xFF')
  1894. f.write(b'\xFF')
  1895. f.write(b'\xFF')
  1896. f.write(b'\xFF')
  1897. f.write(b'\xFF')
  1898. f.write(b'\xFF')
  1899. f.write(b'\xFF')
  1900. f.write(b'\xFF')
  1901. f.write(b'\xFF')
  1902. f.write(b'\xFF')
  1903. f.write(b'\xFF')
  1904. f.write(b'\xFF')
  1905. f.write(b'\xFF')
  1906. f.write(b'\xFF')
  1907. f.write(b'\xFF')
  1908. f.write(b'\xFF')
  1909. f.write(b'\xFF')
  1910. f.write(b'\xFF')
  1911. f.write(b'\xFF')
  1912. f.write(b'\xFF')
  1913. f.write(b'\xFF')
  1914. f.write(b'\xFF')
  1915. f.write(b'\xFF')
  1916. f.write(b'\xFF')
  1917. f.write(b'\xFF')
  1918. f.write(b'\xFF')
  1919. f.write(b'\xFF')
  1920. f.write(b'\xFF')
  1921. f.write(b'\xFF')
  1922. f.write(b'\xFF')
  1923. f.write(b'\xFF')
  1924. f.write(b'\xFF')
  1925. f.write(b'\xFF')
  1926. f.write(b'\xFF')
  1927. f.write(b'\xFF')
  1928. f.write(b'\xFF')
  1929. f.write(b'\xFF')
  1930. f.write(b'\xFF')
  1931. f.write(b'\xFF')
  1932. f.write(b'\xFF')
  1933. f.write(b'\xFF')
  1934. f.write(b'\xFF')
  1935. f.write(b'\xFF')
  1936. f.write(b'\xFF')
  1937. f.write(b'\xFF')
  1938. f.write(b'\xFF')
  1939. f.write(b'\xFF')
  1940. f.write(b'\xFF')
  1941. f.write(b'\xFF')
  1942. f.write(b'\xFF')
  1943. f.write(b'\xFF')
  1944. f.write(b'\xFF')
  1945. f.write(b'\xFF')
  1946. f.write(b'\xFF')
  1947. f.write(b'\xFF')
  1948. f.write(b'\xFF')
  1949. f.write(b'\xFF')
  1950. f.write(b'\xFF')
  1951. f.write(b'\xFF')
  1952. f.write(b'\xFF')
  1953. f.write(b'\xFF')
  1954. f.write(b'\xFF')
  1955. f.write(b'\xFF')
  1956. f.write(b'\xFF')
  1957. f.write(b'\xFF')
  1958. f.write(b'\xFF')
  1959. f.write(b'\xFF')
  1960. f.write(b'\xFF')
  1961. f.write(b'\xFF')
  1962. f.write(b'\xFF')
  1963. f.write(b'\xFF')
  1964. f.write(b'\xFF')
  1965. f.write(b'\xFF')
  1966. f.write(b'\xFF')
  1967. f.write(b'\xFF')
  1968. f.write(b'\xFF')
  1969. f.write(b'\xFF')
  1970. f.write(b'\xFF')
  1971. f.write(b'\xFF')
  1972. f.write(b'\xFF')
  1973. f.write(b'\xFF')
  1974. f.write(b'\xFF')
  1975. f.write(b'\xFF')
  1976. f.write(b'\xFF')
  1977. f.write(b'\xFF')
  1978. f.write(b'\xFF')
  1979. f.write(b'\xFF')
  1980. f.write(b'\xFF')
  1981. f.write(b'\xFF')
  1982. f.write(b'\xFF')
  1983. f.write(b'\xFF')
  1984. f.write(b'\xFF')
  1985. f.write(b'\xFF')
  1986. f.write(b'\xFF')
  1987. f.write(b'\xFF')
  1988. f.write(b'\xFF')
  1989. f.write(b'\xFF')
  1990. f.write(b'\xFF')
  1991. f.write(b'\xFF')
  1992. f.write(b'\xFF')
  1993. f.write(b'\xFF')
  1994. f.write(b'\xFF')
  1995. f.write(b'\xFF')
  1996. f.write(b'\xFF')
  1997. f.write(b'\xFF')
  1998. f.write(b'\xFF')
  1999. f.write(b'\xFF')
  2000. f.write(b'\xFF')
  2001. f.write(b'\xFF')
  2002. f.write(b'\xFF')
  2003. f.write(b'\xFF')
  2004. f.write(b'\xFF')
  2005. f.write(b'\xFF')
  2006. f.write(b'\xFF')
  2007. f.write(b'\xFF')
  2008. f.write(b'\xFF')
  2009. f.write(b'\xFF')
  2010. f.write(b'\xFF')
  2011. f.write(b'\xFF')
  2012. f.write(b'\xFF')
  2013. f.write(b'\xFF')
  2014. f.write(b'\xFF')
  2015. f.write(b'\xFF')
  2016. f.write(b'\xFF')
  2017. f.write(b'\xFF')
  2018. f.write(b'\xFF')
  2019. f.write(b'\xFF')
  2020. f.write(b'\xFF')
  2021. f.write(b'\xFF')
  2022. f.write(b'\xFF')
  2023. f.write(b'\xFF')
  2024. f.write(b'\xFF')
  2025. f.write(b'\xFF')
  2026. f.write(b'\xFF')
  2027. f.write(b'\xFF')
  2028. f.write(b'\xFF')
  2029. f.write(b'\xFF')
  2030. f.write(b'\xFF')
  2031. f.write(b'\xFF')
  2032. f.write(b'\xFF')
  2033. f.write(b'\xFF')
  2034. f.write(b'\xFF')
  2035. f.write(b'\xFF')
  2036. f.write(b'\xFF')
  2037. f.write(b'\xFF')
  2038. f.write(b'\xFF')
  2039. f.write(b'\xFF')
  2040. f.write(b'\xFF')
  2041. f.write(b'\xFF')
  2042. f.write(b'\xFF')
  2043. f.write(b'\xFF')
  2044. f.write(b'\xFF')
  2045. f.write(b'\xFF')
  2046. f.write(b'\xFF')
  2047. f.write(b'\xFF')
  2048. f.write(b'\xFF')
  2049. f.write(b'\xFF')
  2050. f.write(b'\xFF')
  2051. f.write(b'\xFF')
  2052. f.write(b'\xFF')
  2053. f.write(b'\xFF')
  2054. f.write(b'\xFF')
  2055. f.write(b'\xFF')
  2056. f.write(b'\xFF')
  2057. f.write(b'\xFF')
  2058. f.write(b'\xFF')
  2059. f.write(b'\xFF')
  2060. f.write(b'\xFF')
  2061. f.write(b'\xFF')
  2062. f.write(b'\xFF')
  2063. f.write(b'\xFF')
  2064. f.write(b'\xFF')
  2065. f.write(b'\xFF')
  2066. f.write(b'\xFF')
  2067. f.write(b'\xFF')
  2068. f.write(b'\xFF')
  2069. f.write(b'\xFF')
  2070. f.write(b'\xFF')
  2071. f.write(b'\xFF')
  2072. f.write(b'\xFF')
  2073. f.write(b'\xFF')
  2074. f.write(b'\xFF')
  2075. f.write(b'\xFF')
  2076. f.write(b'\xFF')
  2077. f.write(b'\xFF')
  2078. f.write(b'\xFF')
  2079. f.write(b'\xFF')
  2080. f.write(b'\xFF')
  2081. f.write(b'\xFF')
  2082. f.write(b'\xFF')
  2083. f.write(b'\xFF')
  2084. f.write(b'\xFF')
  2085. f.write(b'\xFF')
  2086. f.write(b'\xFF')
  2087. f.write(b'\xFF')
  2088. f.write(b'\xFF')
  2089. f.write(b'\xFF')
  2090. f.write(b'\xFF')
  2091. f.write(b'\xFF')
  2092. f.write(b'\xFF')
  2093. f.write(b'\xFF')
  2094. f.write(b'\xFF')
  2095. f.write(b'\xFF')
  2096. f.write(b'\xFF')
  2097. f.write(b'\xFF')
  2098. f.write(b'\xFF')
  2099. f.write(b'\xFF')
  2100. f.write(b'\xFF')
  2101. f.write(b'\xFF')
  2102. f.write(b'\xFF')
  2103. f.write(b'\xFF')
  2104. f.write(b'\xFF')
  2105. f.write(b'\xFF')
  2106. f.write(b'\xFF')
  2107. f.write(b'\xFF')
  2108. f.write(b'\xFF')
  2109. f.write(b'\xFF')
  2110. f.write(b'\xFF')
  2111. f.write(b'\xFF')
  2112. f.write(b'\xFF')
  2113. f.write(b'\xFF')
  2114. f.write(b'\xFF')
  2115. f.write(b'\xFF')
  2116. f.write(b'\xFF')
  2117. f.write(b'\xFF')
  2118. f.write(b'\xFF')
  2119. f.write(b'\xFF')
  2120. f.write(b'\xFF')
  2121. f.write(b'\xFF')
  2122. f.write(b'\xFF')
  2123. f.write(b'\xFF')
  2124. f.write(b'\xFF')
  2125. f.write(b'\xFF')
  2126. f.write(b'\xFF')
  2127. f.write(b'\xFF')
  2128. f.write(b'\xFF')
  2129. f.write(b'\xFF')
  2130. f.write(b'\xFF')
  2131. f.write(b'\xFF')
  2132. f.write(b'\xFF')
  2133. f.write(b'\xFF')
  2134. f.write(b'\xFF')
  2135. f.write(b'\xFF')
  2136. f.write(b'\xFF')
  2137. f.write(b'\xFF')
  2138. f.write(b'\xFF')
  2139. f.write(b'\xFF')
  2140. f.write(b'\xFF')
  2141. f.write(b'\xFF')
  2142. f.write(b'\xFF')
  2143. f.write(b'\xFF')
  2144. f.write(b'\xFF')
  2145. f.write(b'\xFF')
  2146. f.write(b'\xFF')
  2147. f.write(b'\xFF')
  2148. f.write(b'\xFF')
  2149. f.write(b'\xFF')
  2150. f.write(b'\xFF')
  2151. f.write(b'\xFF')
  2152. f.write(b'\xFF')
  2153. f.write(b'\xFF')
  2154. f.write(b'\xFF')
  2155. f.write(b'\xFF')
  2156. f.write(b'\xFF')
  2157. f.write(b'\xFF')
  2158. f.write(b'\xFF')
  2159. f.write(b'\xFF')
  2160. f.write(b'\xFF')
  2161. f.write(b'\xFF')
  2162. f.write(b'\xFF')
  2163. f.write(b'\xFF')
  2164. f.write(b'\xFF')
  2165. f.write(b'\xFF')
  2166. f.write(b'\xFF')
  2167. f.write(b'\xFF')
  2168. f.write(b'\xFF')
  2169. f.write(b'\xFF')
  2170. f.write(b'\xFF')
  2171. f.write(b'\xFF')
  2172. f.write(b'\xFF')
  2173. f.write(b'\xFF')
  2174. f.write(b'\xFF')
  2175. f.write(b'\xFF')
  2176. f.write(b'\xFF')
  2177. f.write(b'\xFF')
  2178. f.write(b'\xFF')
  2179. f.write(b'\xFF')
  2180. f.write(b'\xFF')
  2181. f.write(b'\xFF')
  2182. f.write(b'\xFF')
  2183. f.write(b'\xFF')
  2184. f.write(b'\xFF')
  2185. f.write(b'\xFF')
  2186. f.write(b'\xFF')
  2187. f.write(b'\xFF')
  2188. f.write(b'\xFF')
  2189. f.write(b'\xFF')
  2190. f.write(b'\xFF')
  2191. f.write(b'\xFF')
  2192. f.write(b'\xFF')
  2193. f.write(b'\xFF')
  2194. f.write(b'\xFF')
  2195. f.write(b'\xFF')
  2196. f.write(b'\xFF')
  2197. f.write(b'\xFF')
  2198. f.write(b'\xFF')
  2199. f.write(b'\xFF')
  2200. f.write(b'\xFF')
  2201. f.write(b'\xFF')
  2202. f.write(b'\xFF')
  2203. f.write(b'\xFF')
  2204. f.write(b'\xFF')
  2205. f.write(b'\xFF')
  2206. f.write(b'\xFF')
  2207. f.write(b'\xFF')
  2208. f.write(b'\xFF')
  2209. f.write(b'\xFF')
  2210. f.write(b'\xFF')
  2211. f.write(b'\xFF')
  2212. f.write(b'\xFF')
  2213. f.write(b'\xFF')
  2214. f.write(b'\xFF')
  2215. f.write(b'\xFF')
  2216. f.write(b'\xFF')
  2217. f.write(b'\xFF')
  2218. f.write(b'\xFF')
  2219. f.write(b'\xFF')
  2220. f.write(b'\xFF')
  2221. f.write(b'\xFF')
  2222. f.write(b'\xFF')
  2223. f.write(b'\xFF')
  2224. f.write(b'\xFF')
  2225. f.write(b'\xFF')
  2226. f.write(b'\xFF')
  2227. f.write(b'\xFF')
  2228. f.write(b'\xFF')
  2229. f.write(b'\xFF')
  2230. f.write(b'\xFF')
  2231. f.write(b'\xFF')
  2232. f.write(b'\xFF')
  2233. f.write(b'\xFF')
  2234. f.write(b'\xFF')
  2235. f.write(b'\xFF')
  2236. f.write(b'\xFF')
  2237. f.write(b'\xFF')
  2238. f.write(b'\xFF')
  2239. f.write(b'\xFF')
  2240. f.write(b'\xFF')
  2241. f.write(b'\xFF')
  2242. f.write(b'\xFF')
  2243. f.write(b'\xFF')
  2244. f.write(b'\xFF')
  2245. f.write(b'\xFF')
  2246. f.write(b'\xFF')
  2247. f.write(b'\xFF')
  2248. f.write(b'\xFF')
  2249. f.write(b'\xFF')
  2250. f.write(b'\xFF')
  2251. f.write(b'\xFF')
  2252. f.write(b'\xFF')
  2253. f.write(b'\xFF')
  2254. f.write(b'\xFF')
  2255. f.write(b'\xFF')
  2256. f.write(b'\xFF')
  2257. f.write(b'\xFF')
  2258. f.write(b'\xFF')
  2259. f.write(b'\xFF')
  2260. f.write(b'\xFF')
  2261. f.write(b'\xFF')
  2262. f.write(b'\xFF')
  2263. f.write(b'\xFF')
  2264. f.write(b'\xFF')
  2265. f.write(b'\xFF')
  2266. f.write(b'\xFF')
  2267. f.write(b'\xFF')
  2268. f.write(b'\xFF')
  2269. f.write(b'\xFF')
  2270. f.write(b'\xFF')
  2271. f.write(b'\xFF')
  2272. f.write(b'\xFF')
  2273. f.write(b'\xFF')
  2274. f.write(b'\xFF')
  2275. f.write(b'\xFF')
  2276. f.write(b'\xFF')
  2277. f.write(b'\xFF')
  2278. f.write(b'\xFF')
  2279. f.write(b'\xFF')
  2280. f.write(b'\xFF')
  2281. f.write(b'\xFF')
  2282. f.write(b'\xFF')
  2283. f.write(b'\xFF')
  2284. f.write(b'\xFF')
  2285. f.write(b'\xFF')
  2286. f.write(b'\xFF')
  2287. f.write(b'\xFF')
  2288. f.write(b'\xFF')
  2289. f.write(b'\xFF')
  2290. f.write(b'\xFF')
  2291. f.write(b'\xFF')
  2292. f.write(b'\xFF')
  2293. f.write(b'\xFF')
  2294. f.write(b'\xFF')
  2295. f.write(b'\xFF')
  2296. f.write(b'\xFF')
  2297. f.write(b'\xFF')
  2298. f.write(b'\xFF')
  2299. f.write(b'\xFF')
  2300. f.write(b'\xFF')
  2301. f.write(b'\xFF')
  2302. f.write(b'\xFF')
  2303. f.write(b'\xFF')
  2304. f.write(b'\xFF')
  2305. f.write(b'\xFF')
  2306. f.write(b'\xFF')
  2307. f.write(b'\xFF')
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  2309. f.write(b'\xFF')
  2310. f.write(b'\xFF')
  2311. f.write(b'\xFF')
  2312. f.write(b'\xFF')
  2313. f.write(b'\xFF')
  2314. f.write(b'\xFF')
  2315. f.write(b'\xFF')
  2316. f.write(b'\xFF')
  2317. f.write(b'\xFF')
  2318. f.write(b'\xFF')
  2319. f.write(b'\xFF')
  2320. f.write(b'\xFF')
  2321. f.write(b'\xFF')
  2322. f.write(b'\xFF')
  2323. f.write(b'\xFF')
  2324. f.write(b'\xFF')
  2325. f.write(b'\xFF')
  2326. f.write(b'\xFF')
  2327. f.write(b'\xFF')
  2328. f.write(b'\xFF')
  2329. f.write(b'\xFF')
  2330. f.write(b'\xFF')
  2331. f.write(b'\xFF')
  2332. f.write(b'\xFF')
  2333. f.write(b'\xFF')
  2334. f.write(b'\xFF')
  2335. f.write(b'\xFF')
  2336. f.write(b'\xFF')
  2337. f.write(b'\xFF')
  2338. f.write(b'\xFF')
  2339. f.write(b'\xFF')
  2340. f.write(b'\xFF')
  2341. f.write(b'\xFF')
  2342. f.write(b'\xFF')
  2343. f.write(b'\xFF')
  2344. f.write(b'\xFF')
  2345. f.write(b'\xFF')
  2346. f.write(b'\xFF')
  2347. f.write(b'\xFF')
  2348. f.write(b'\xFF')
  2349. f.write(b'\xFF')
  2350. f.write(b'\xFF')
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  2354. f.write(b'\xFF')
  2355. f.write(b'\xFF')
  2356. f.write(b'\xFF')
  2357. f.write(b'\xFF')
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  2359. f.write(b'\xFF')
  2360. f.write(b'\xFF')
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  2362. f.write(b'\xFF')
  2363. f.write(b'\xFF')
  2364. f.write(b'\xFF')
  2365. f.write(b'\xFF')
  2366. f.write(b'\xFF')
  2367. f.write(b'\xFF')
  2368. f.write(b'\xFF')
  2369. f.write(b'\xFF')
  2370. f.write(b'\xFF')
  2371. f.write(b'\xFF')
  2372. f.write(b'\xFF')
  2373. f.write(b'\xFF')
  2374. f.write(b'\xFF')
  2375. f.write(b'\xFF')
  2376. f.write(b'\xFF')
  2377. f.write(b'\xFF')
  2378. f.write(b'\xFF')
  2379. f.write(b'\xFF')
  2380. f.write(b'\xFF')
  2381. f.write(b'\xFF')
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  2387. f.write(b'\xFF')
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  2400. f.write(b'\xFF')
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  2410. f.write(b'\xFF')
  2411. f.write(b'\xFF')
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  2414. f.write(b'\xFF')
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  2426. f.write(b'\xFF')
  2427. f.write(b'\xFF')
  2428. f.write(b'\xFF')
  2429. f.write(b'\xFF')
  2430. f.write(b'\xFF')
  2431. f.write(b'\xFF')
  2432. f.write(b'\xFF')
  2433. f.write(b'\xFF')
  2434. f.write(b'\xFF')
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  2436. f.write(b'\xFF')
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  2440. f.write(b'\xFF')
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  2444. f.write(b'\xFF')
  2445. f.write(b'\xFF')
  2446. f.write(b'\xFF')
  2447. f.write(b'\xFF')
  2448. f.write(b'\xFF')
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  2450. f.write(b'\xFF')
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  2452. f.write(b'\xFF')
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  2454. f.write(b'\xFF')
  2455. f.write(b'\xFF')
  2456. f.write(b'\xFF')
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  2464. f.write(b'\xFF')
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  2468. f.write(b'\xFF')
  2469. f.write(b'\xFF')
  2470. f.write(b'\xFF')
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  2482. f.write(b'\xFF')
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  2484. f.write(b'\xFF')
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  2499. f.write(b'\xFF')
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  2512. f.write(b'\xFF')
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  2514. f.write(b'\xFF')
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  2522. f.write(b'\xFF')
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  2524. f.write(b'\xFF')
  2525. f.write(b'\xFF')
  2526. f.write(b'\xFF')
  2527. f.write(b'\xFF')
  2528. f.write(b'\xFF')
  2529. f.write(b'\xFF')
  2530. f.write(b'\xFF')
  2531. f.write(b'\xFF')
  2532. f.write(b'\xFF')
  2533. f.write(b'\xFF')
  2534. f.write(b'\xFF')
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  2539. f.write(b'\xFF')
  2540. f.write(b'\xFF')
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  2542. f.write(b'\xFF')
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  2544. f.write(b'\xFF')
  2545. f.write(b'\xFF')
  2546. f.write(b'\xFF')
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  2548. f.write(b'\xFF')
  2549. f.write(b'\xFF')
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  2551. f.write(b'\xFF')
  2552. f.write(b'\xFF')
  2553. f.write(b'\xFF')
  2554. f.write(b'\xFF')
  2555. f.write(b'\xFF')
  2556. f.write(b'\xFF')
  2557. f.write(b'\xFF')
  2558. f.write(b'\xFF')
  2559. f.write(b'\xFF')
  2560. f.write(b'\xFF')
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  2562. f.write(b'\xFF')
  2563. f.write(b'\xFF')
  2564. f.write(b'\xFF')
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  2566. f.write(b'\xFF')
  2567. f.write(b'\xFF')
  2568. f.write(b'\xFF')
  2569. f.write(b'\xFF')
  2570. f.write(b'\xFF')
  2571. f.write(b'\xFF')
  2572. f.write(b'\xFF')
  2573. f.write(b'\xFF')
  2574. f.write(b'\xFF')
  2575. f.write(b'\xFF')
  2576. f.write(b'\xFF')
  2577. f.write(b'\xFF')
  2578. f.write(b'\xFF')
  2579. f.write(b'\xFF')
  2580. f.write(b'\xFF')
  2581. f.write(b'\xFF')
  2582. f.write(b'\xFF')
  2583. f.write(b'\xFF')
  2584. f.write(b'\xFF')
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  2586. f.write(b'\xFF')
  2587. f.write(b'\xFF')
  2588. f.write(b'\xFF')
  2589. f.write(b'\xFF')
  2590. f.write(b'\xFF')
  2591. f.write(b'\xFF')
  2592. f.write(b'\xFF')
  2593. f.write(b'\xFF')
  2594. f.write(b'\xFF')
  2595. f.write(b'\xFF')
  2596. f.write(b'\xFF')
  2597. f.write(b'\xFF')
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  2599. f.write(b'\xFF')
  2600. f.write(b'\xFF')
  2601. f.write(b'\xFF')
  2602. f.write(b'\xFF')
  2603. f.write(b'\xFF')
  2604. f.write(b'\xFF')
  2605. f.write(b'\xFF')
  2606. f.write(b'\xFF')
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  2612. f.write(b'\xFF')
  2613. f.write(b'\xFF')
  2614. f.write(b'\xFF')
  2615. f.write(b'\xFF')
  2616. f.write(b'\xFF')
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  2621. f.write(b'\xFF')
  2622. f.write(b'\xFF')
  2623. f.write(b'\xFF')
  2624. f.write(b'\xFF')
  2625. f.write(b'\xFF')
  2626. f.write(b'\xFF')
  2627. f.write(b'\xFF')
  2628. f.write(b'\xFF')
  2629. f.write(b'\xFF')
  2630. f.write(b'\xFF')
  2631. f.write(b'\xFF')
  2632. f.write(b'\xFF')
  2633. f.write(b'\xFF')
  2634. f.write(b'\xFF')
  2635. f.write(b'\xFF')
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  2637. f.write(b'\xFF')
  2638. f.write(b'\xFF')
  2639. f.write(b'\xFF')
  2640. f.write(b'\xFF')
  2641. f.write(b'\xFF')
  2642. f.write(b'\xFF')
  2643. f.write(b'\xFF')
  2644. f.write(b'\xFF')
  2645. f.write(b'\xFF')
  2646. f.write(b'\xFF')
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  2648. f.write(b'\xFF')
  2649. f.write(b'\xFF')
  2650. f.write(b'\xFF')
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  2652. f.write(b'\xFF')
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  2655. f.write(b'\xFF')
  2656. f.write(b'\xFF')
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  2663. f.write(b'\xFF')
  2664. f.write(b'\xFF')
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  2668. f.write(b'\xFF')
  2669. f.write(b'\xFF')
  2670. f.write(b'\xFF')
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  2672. f.write(b'\xFF')
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  2674. f.write(b'\xFF')
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  2676. f.write(b'\xFF')
  2677. f.write(b'\xFF')
  2678. f.write(b'\xFF')
  2679. f.write(b'\xFF')
  2680. f.write(b'\xFF')
  2681. f.write(b'\xFF')
  2682. f.write(b'\xFF')
  2683. f.write(b'\xFF')
  2684. f.write(b'\xFF')
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  2687. f.write(b'\xFF')
  2688. f.write(b'\xFF')
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  2691. f.write(b'\xFF')
  2692. f.write(b'\xFF')
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  2696. f.write(b'\xFF')
  2697. f.write(b'\xFF')
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  2700. f.write(b'\xFF')
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  2714. f.write(b'\xFF')
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  2727. f.write(b'\xFF')
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  2730. f.write(b'\xFF')
  2731. f.write(b'\xFF')
  2732. f.write(b'\xFF')
  2733. f.write(b'\xFF')
  2734. f.write(b'\xFF')
  2735. f.write(b'\xFF')
  2736. f.write(b'\xFF')
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  2740. f.write(b'\xFF')
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  2744. f.write(b'\xFF')
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  2748. f.write(b'\xFF')
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  2755. f.write(b'\xFF')
  2756. f.write(b'\xFF')
  2757. f.write(b'\xFF')
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  2763. f.write(b'\xFF')
  2764. f.write(b'\xFF')
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  2766. f.write(b'\xFF')
  2767. f.write(b'\xFF')
  2768. f.write(b'\xFF')
  2769. f.write(b'\xFF')
  2770. f.write(b'\xFF')
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  2772. f.write(b'\xFF')
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  2777. f.write(b'\xFF')
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  2780. f.write(b'\xFF')
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  2788. f.write(b'\xFF')
  2789. f.write(b'\xFF')
  2790. f.write(b'\xFF')
  2791. f.write(b'\xFF')
  2792. f.write(b'\xFF')
  2793. f.write(b'\xFF')
  2794. f.write(b'\xFF')
  2795. f.write(b'\xFF')
  2796. f.write(b'\xFF')
  2797. f.write(b'\xFF')
  2798. f.write(b'\xFF')
  2799. f.write(b'\xFF')
  2800. f.write(b'\xFF')
  2801. f.write(b'\xFF')
  2802. f.write(b'\xFF')
  2803. f.write(b'\xFF')
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  2805. f.write(b'\xFF')
  2806. f.write(b'\xFF')
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  2810. f.write(b'\xFF')
  2811. f.write(b'\xFF')
  2812. f.write(b'\xFF')
  2813. f.write(b'\xFF')
  2814. f.write(b'\xFF')
  2815. f.write(b'\xFF')
  2816. f.write(b'\xFF')
  2817. f.write(b'\xFF')
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  2821. f.write(b'\xFF')
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  2823. f.write(b'\xFF')
  2824. f.write(b'\xFF')
  2825. f.write(b'\xFF')
  2826. f.write(b'\xFF')
  2827. f.write(b'\xFF')
  2828. f.write(b'\xFF')
  2829. f.write(b'\xFF')
  2830. f.write(b'\xFF')
  2831. f.write(b'\xFF')
  2832. f.write(b'\xFF')
  2833. f.write(b'\xFF')
  2834. f.write(b'\xFF')
  2835. f.write(b'\xFF')
  2836. f.write(b'\xFF')
  2837. f.write(b'\xFF')
  2838. f.write(b'\xFF')
  2839. f.write(b'\xFF')
  2840. f.write(b'\xFF')
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  2844. f.write(b'\xFF')
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  2851. f.write(b'\xFF')
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  2860. f.write(b'\xFF')
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  2863. f.write(b'\xFF')
  2864. f.write(b'\xFF')
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  2870. f.write(b'\xFF')
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  2900. f.write(b'\xFF')
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  2932. f.write(b'\xFF')
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  2940. f.write(b'\xFF')
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  2956. f.write(b'\xFF')
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  2960. f.write(b'\xFF')
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  2962. f.write(b'\xFF')
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  2964. f.write(b'\xFF')
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  2966. f.write(b'\xFF')
  2967. f.write(b'\xFF')
  2968. f.write(b'\xFF')
  2969. f.write(b'\xFF')
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  3260. f.write(b'\xFF')
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  3264. f.write(b'\xFF')
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  3300. f.write(b'\xFF')
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  3332. f.write(b'\xFF')
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  3564. f.write(b'\xFF')
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  3568. f.write(b'\xFF')
  3569. f.write(b'\xFF')
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  3576. f.write(b'\xFF')
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  3579. f.write(b'\xFF')
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  3582. f.write(b'\xFF')
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  3584. f.write(b'\xFF')
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  3600. f.write(b'\xFF')
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  3614. f.write(b'\xFF')
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  3632. f.write(b'\xFF')
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  3635. f.write(b'\xFF')
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  3639. f.write(b'\xFF')
  3640. f.write(b'\xFF')
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  3650. f.write(b'\xFF')
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  3655. f.write(b'\xFF')
  3656. f.write(b'\xFF')
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  3677. f.write(b'\xFF')
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  3679. f.write(b'\xFF')
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  3684. f.write(b'\xFF')
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  3686. f.write(b'\xFF')
  3687. f.write(b'\xFF')
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  3691. f.write(b'\xFF')
  3692. f.write(b'\xFF')
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  3700. f.write(b'\xFF')
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  3709. f.write(b'\xFF')
  3710. f.write(b'\xFF')
  3711. f.write(b'\xFF')
  3712. f.write(b'\xFF')
  3713. f.write(b'\xFF')
  3714. f.write(b'\xFF')
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  3722. f.write(b'\xFF')
  3723. f.write(b'\xFF')
  3724. f.write(b'\xFF')
  3725. f.write(b'\xFF')
  3726. f.write(b'\xFF')
  3727. f.write(b'\xFF')
  3728. f.write(b'\xFF')
  3729. f.write(b'\xFF')
  3730. f.write(b'\xFF')
  3731. f.write(b'\xFF')
  3732. f.write(b'\xFF')
  3733. f.write(b'\xFF')
  3734. f.write(b'\xFF')
  3735. f.write(b'\xFF')
  3736. f.write(b'\xFF')
  3737. f.write(b'\xFF')
  3738. f.write(b'\xFF')
  3739. f.write(b'\xFF')
  3740. f.write(b'\xFF')
  3741. f.write(b'\xFF')
  3742. f.write(b'\xFF')
  3743. f.write(b'\xFF')
  3744. f.write(b'\xFF')
  3745. f.write(b'\xFF')
  3746. f.write(b'\xFF')
  3747. f.write(b'\xFF')
  3748. f.write(b'\xFF')
  3749. f.write(b'\xFF')
  3750. f.write(b'\xFF')
  3751. f.write(b'\xFF')
  3752. f.write(b'\xFF')
  3753. f.write(b'\xFF')
  3754. f.write(b'\xFF')
  3755. f.write(b'\xFF')
  3756. f.write(b'\xFF')
  3757. f.write(b'\xFF')
  3758. f.write(b'\xFF')
  3759. f.write(b'\xFF')
  3760. f.write(b'\xFF')
  3761. f.write(b'\xFF')
  3762. f.write(b'\xFF')
  3763. f.write(b'\xFF')
  3764. f.write(b'\xFF')
  3765. f.write(b'\xFF')
  3766. f.write(b'\xFF')
  3767. f.write(b'\xFF')
  3768. f.write(b'\xFF')
  3769. f.write(b'\xFF')
  3770. f.write(b'\xFF')
  3771. f.write(b'\xFF')
  3772. f.write(b'\xFF')
  3773. f.write(b'\xFF')
  3774. f.write(b'\xFF')
  3775. f.write(b'\xFF')
  3776. f.write(b'\xFF')
  3777. f.write(b'\xFF')
  3778. f.write(b'\xFF')
  3779. f.write(b'\xFF')
  3780. f.write(b'\xFF')
  3781. f.write(b'\xFF')
  3782. f.write(b'\xFF')
  3783. f.write(b'\xFF')
  3784. f.write(b'\xFF')
  3785. f.write(b'\xFF')
  3786. f.write(b'\xFF')
  3787. f.write(b'\xFF')
  3788. f.write(b'\xFF')
  3789. f.write(b'\xFF')
  3790. f.write(b'\xFF')
  3791. f.write(b'\xFF')
  3792. f.write(b'\xFF')
  3793. f.write(b'\xFF')
  3794. f.write(b'\xFF')
  3795. f.write(b'\xFF')
  3796. f.write(b'\xFF')
  3797. f.write(b'\xFF')
  3798. f.write(b'\xFF')
  3799. f.write(b'\xFF')
  3800. f.write(b'\xFF')
  3801. f.write(b'\xFF')
  3802. f.write(b'\xFF')
  3803. f.write(b'\xFF')
  3804. f.write(b'\xFF')
  3805. f.write(b'\xFF')
  3806. f.write(b'\xFF')
  3807. f.write(b'\xFF')
  3808. f.write(b'\xFF')
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  3810. f.write(b'\xFF')
  3811. f.write(b'\xFF')
  3812. f.write(b'\xFF')
  3813. f.write(b'\xFF')
  3814. f.write(b'\xFF')
  3815. f.write(b'\xFF')
  3816. f.write(b'\xFF')
  3817. f.write(b'\xFF')
  3818. f.write(b'\xFF')
  3819. f.write(b'\xFF')
  3820. f.write(b'\xFF')
  3821. f.write(b'\xFF')
  3822. f.write(b'\xFF')
  3823. f.write(b'\xFF')
  3824. f.write(b'\xFF')
  3825. f.write(b'\xFF')
  3826. f.write(b'\xFF')
  3827. f.write(b'\xFF')
  3828. f.write(b'\xFF')
  3829. f.write(b'\xFF')
  3830. f.write(b'\xFF')
  3831. f.write(b'\xFF')
  3832. f.write(b'\xFF')
  3833. f.write(b'\xFF')
  3834. f.write(b'\xFF')
  3835. f.write(b'\xFF')
  3836. f.write(b'\xFF')
  3837. f.write(b'\xFF')
  3838. f.write(b'\xFF')
  3839. f.write(b'\xFF')
  3840. f.write(b'\xFF')
  3841. f.write(b'\xFF')
  3842. f.write(b'\xFF')
  3843. f.write(b'\xFF')
  3844. f.write(b'\xFF')
  3845. f.write(b'\xFF')
  3846. f.write(b'\xFF')
  3847. f.write(b'\xFF')
  3848. f.write(b'\xFF')
  3849. f.write(b'\xFF')
  3850. f.write(b'\xFF')
  3851. f.write(b'\xFF')
  3852. f.write(b'\xFF')
  3853. f.write(b'\xFF')
  3854. f.write(b'\xFF')
  3855. f.write(b'\xFF')
  3856. f.write(b'\xFF')
  3857. f.write(b'\xFF')
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  3859. f.write(b'\xFF')
  3860. f.write(b'\xFF')
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  3862. f.write(b'\xFF')
  3863. f.write(b'\xFF')
  3864. f.write(b'\xFF')
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  3866. f.write(b'\xFF')
  3867. f.write(b'\xFF')
  3868. f.write(b'\xFF')
  3869. f.write(b'\xFF')
  3870. f.write(b'\xFF')
  3871. f.write(b'\xFF')
  3872. f.write(b'\xFF')
  3873. f.write(b'\xFF')
  3874. f.write(b'\xFF')
  3875. f.write(b'\xFF')
  3876. f.write(b'\xFF')
  3877. f.write(b'\xFF')
  3878. f.write(b'\xFF')
  3879. f.write(b'\xFF')
  3880. f.write(b'\xFF')
  3881. f.write(b'\xFF')
  3882. f.write(b'\xFF')
  3883. f.write(b'\xFF')
  3884. f.write(b'\xFF')
  3885. f.write(b'\xFF')
  3886. f.write(b'\xFF')
  3887. f.write(b'\xFF')
  3888. f.write(b'\xFF')
  3889. f.write(b'\xFF')
  3890. f.write(b'\xFF')
  3891. f.write(b'\xFF')
  3892. f.write(b'\xFF')
  3893. f.write(b'\xFF')
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  3895. f.write(b'\xFF')
  3896. f.write(b'\xFF')
  3897. f.write(b'\xFF')
  3898. f.write(b'\xFF')
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  3900. f.write(b'\xFF')
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  3921. f.write(b'\xFF')
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  3924. f.write(b'\xFF')
  3925. f.write(b'\xFF')
  3926. f.write(b'\xFF')
  3927. f.write(b'\xFF')
  3928. f.write(b'\xFF')
  3929. f.write(b'\xFF')
  3930. f.write(b'\xFF')
  3931. f.write(b'\xFF')
  3932. f.write(b'\xFF')
  3933. f.write(b'\xFF')
  3934. f.write(b'\xFF')
  3935. f.write(b'\xFF')
  3936. f.write(b'\xFF')
  3937. f.write(b'\xFF')
  3938. f.write(b'\xFF')
  3939. f.write(b'\xFF')
  3940. f.write(b'\xFF')
  3941. f.write(b'\xFF')
  3942. f.write(b'\xFF')
  3943. f.write(b'\xFF')
  3944. f.write(b'\xFF')
  3945. f.write(b'\xFF')
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  3947. f.write(b'\xFF')
  3948. f.write(b'\xFF')
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  3951. f.write(b'\xFF')
  3952. f.write(b'\xFF')
  3953. f.write(b'\xFF')
  3954. f.write(b'\xFF')
  3955. f.write(b'\xFF')
  3956. f.write(b'\xFF')
  3957. f.write(b'\xFF')
  3958. f.write(b'\xFF')
  3959. f.write(b'\xFF')
  3960. f.write(b'\xFF')
  3961. f.write(b'\xFF')
  3962. f.write(b'\xFF')
  3963. f.write(b'\xFF')
  3964. f.write(b'\xFF')
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  3966. f.write(b'\xFF')
  3967. f.write(b'\xFF')
  3968. f.write(b'\xFF')
  3969. f.write(b'\xFF')
  3970. f.write(b'\xFF')
  3971. f.write(b'\xFF')
  3972. f.write(b'\xFF')
  3973. f.write(b'\xFF')
  3974. f.write(b'\xFF')
  3975. f.write(b'\xFF')
  3976. f.write(b'\xFF')
  3977. f.write(b'\xFF')
  3978. f.write(b'\xFF')
  3979. f.write(b'\xFF')
  3980. f.write(b'\xFF')
  3981. f.write(b'\xFF')
  3982. f.write(b'\xFF')
  3983. f.write(b'\xFF')
  3984. f.write(b'\xFF')
  3985. f.write(b'\xFF')
  3986. f.write(b'\xFF')
  3987. f.write(b'\xFF')
  3988. f.write(b'\xFF')
  3989. f.write(b'\xFF')
  3990. f.write(b'\xFF')
  3991. f.write(b'\xFF')
  3992. f.write(b'\xFF')
  3993. f.write(b'\xFF')
  3994. f.write(b'\xFF')
  3995. f.write(b'\xFF')
  3996. f.write(b'\xFF')
  3997. f.write(b'\xFF')
  3998. f.write(b'\xFF')
  3999. f.write(b'\xFF')
  4000. f.write(b'\xFF')
  4001. f.write(b'\xFF')
  4002. f.write(b'\xFF')
  4003. f.write(b'\xFF')
  4004. f.write(b'\xFF')
  4005. f.write(b'\xFF')
  4006. f.write(b'\xFF')
  4007. f.write(b'\xFF')
  4008. f.write(b'\xFF')
  4009. f.write(b'\xFF')
  4010. f.write(b'\xFF')
  4011. f.write(b'\xFF')
  4012. f.write(b'\xFF')
  4013. f.write(b'\xFF')
  4014. f.write(b'\xFF')
  4015. f.write(b'\xFF')
  4016. f.write(b'\xFF')
  4017. f.write(b'\xFF')
  4018. f.write(b'\xFF')
  4019. f.write(b'\xFF')
  4020. f.write(b'\xFF')
  4021. f.write(b'\xFF')
  4022. f.write(b'\xFF')
  4023. f.write(b'\xFF')
  4024. f.write(b'\xFF')
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  4026. f.write(b'\xFF')
  4027. f.write(b'\xFF')
  4028. f.write(b'\xFF')
  4029. f.write(b'\xFF')
  4030. f.write(b'\xFF')
  4031. f.write(b'\xFF')
  4032. f.write(b'\xFF')
  4033. f.write(b'\xFF')
  4034. f.write(b'\xFF')
  4035. f.write(b'\xFF')
  4036. f.write(b'\xFF')
  4037. f.write(b'\xFF')
  4038. f.write(b'\xFF')
  4039. f.write(b'\xFF')
  4040. f.write(b'\xFF')
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  4043. f.write(b'\xFF')
  4044. f.write(b'\xFF')
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  4047. f.write(b'\xFF')
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  4051. f.write(b'\xFF')
  4052. f.write(b'\xFF')
  4053. f.write(b'\xFF')
  4054. f.write(b'\xFF')
  4055. f.write(b'\xFF')
  4056. f.write(b'\xFF')
  4057. f.write(b'\xFF')
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  4059. f.write(b'\xFF')
  4060. f.write(b'\xFF')
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  4062. f.write(b'\xFF')
  4063. f.write(b'\xFF')
  4064. f.write(b'\xFF')
  4065. f.write(b'\xFF')
  4066. f.write(b'\xFF')
  4067. f.write(b'\xFF')
  4068. f.write(b'\xFF')
  4069. f.write(b'\xFF')
  4070. f.write(b'\xFF')
  4071. f.write(b'\xFF')
  4072. f.write(b'\xFF')
  4073. f.write(b'\xFF')
  4074. f.write(b'\xFF')
  4075. f.write(b'\xFF')
  4076. f.write(b'\xFF')
  4077. f.write(b'\xFF')
  4078. f.write(b'\xFF')
  4079. f.write(b'\xFF')
  4080. f.write(b'\xFF')
  4081. f.write(b'\xFF')
  4082. f.write(b'\xFF')
  4083. f.write(b'\xFF')
  4084. f.write(b'\xFF')
  4085. f.write(b'\xFF')
  4086. f.write(b'\xFF')
  4087. f.write(b'\xFF')
  4088. f.write(b'\xFF')
  4089. f.write(b'\xFF')
  4090. f.write(b'\xFF')
  4091. f.write(b'\xFF')
  4092. f.write(b'\xFF')
  4093. f.write(b'\xFF')
  4094. f.write(b'\xFF')
  4095. f.write(b'\xFF')
  4096. f.write(b'\xFF')
  4097. f.write(b'\xFF')
  4098. f.write(b'\xFF')
  4099. f.write(b'\xFF')
  4100. f.write(b'\xFF')
  4101. f.write(b'\xFF')
  4102. f.write(b'\xFF')
  4103. f.write(b'\xFF')
  4104. f.write(b'\xFF')
  4105. f.write(b'\xFF')
  4106. f.write(b'\xFF')
  4107. f.write(b'\xFF')
  4108. f.write(b'\xFF')
  4109. f.write(b'\xFF')
  4110. f.write(b'\xFF')
  4111. f.write(b'\xFF')
  4112. f.write(b'\xFF')
  4113. f.write(b'\xFF')
  4114. f.write(b'\xFF')
  4115. f.write(b'\xFF')
  4116. f.write(b'\xFF')
  4117. f.write(b'\xFF')
  4118. f.write(b'\xFF')
  4119. f.write(b'\xFF')
  4120. f.write(b'\xFF')
  4121. f.write(b'\xFF')
  4122. f.write(b'\xFF')
  4123. f.write(b'\xFF')
  4124. f.write(b'\xFF')
  4125. f.write(b'\xFF')
  4126. f.write(b'\xFF')
  4127. f.write(b'\xFF')
  4128. f.write(b'\xFF')
  4129. f.write(b'\xFF')
  4130. f.write(b'\xFF')
  4131. f.write(b'\xFF')
  4132. f.write(b'\xFF')
  4133. f.write(b'\xFF')
  4134. f.write(b'\xFF')
  4135. f.write(b'\xFF')
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  4336. f.write(b'\xFF')
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  4340. f.write(b'\xFF')
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  5302. f.write(b'\xFF')
  5303. f.write(b'\xFF')
  5304. f.write(b'\xFF')
  5305. f.write(b'\xFF')
  5306. f.write(b'\xFF')
  5307. f.write(b'\xFF')
  5308. f.write(b'\xFF')
  5309. f.write(b'\xFF')
  5310. f.write(b'\xFF')
  5311. f.write(b'\xFF')
  5312. f.write(b'\xFF')
  5313. f.write(b'\xFF')
  5314. f.write(b'\xFF')
  5315. f.write(b'\xFF')
  5316. f.write(b'\xFF')
  5317. f.write(b'\xFF')
  5318. f.write(b'\xFF')
  5319. f.write(b'\xFF')
  5320. f.write(b'\xFF')
  5321. f.write(b'\xFF')
  5322. f.write(b'\xFF')
  5323. f.write(b'\xFF')
  5324. f.write(b'\xFF')
  5325. f.write(b'\xFF')
  5326. f.write(b'\xFF')
  5327. f.write(b'\xFF')
  5328. f.write(b'\xFF')
  5329. f.write(b'\xFF')
  5330. f.write(b'\xFF')
  5331. f.write(b'\xFF')
  5332. f.write(b'\xFF')
  5333. f.write(b'\xFF')
  5334. f.write(b'\xFF')
  5335. f.write(b'\xFF')
  5336. f.write(b'\xFF')
  5337. f.write(b'\xFF')
  5338. f.write(b'\xFF')
  5339. f.write(b'\xFF')
  5340. f.write(b'\xFF')
  5341. f.write(b'\xFF')
  5342. f.write(b'\xFF')
  5343. f.write(b'\xFF')
  5344. f.write(b'\xFF')
  5345. f.write(b'\xFF')
  5346. f.write(b'\xFF')
  5347. f.write(b'\xFF')
  5348. f.write(b'\xFF')
  5349. f.write(b'\xFF')
  5350. f.write(b'\xFF')