08/03/25 2025 solve log

Note: cages are numbered based on their top-left-most digit, starting from 0, in top-down left-right order.

Max difficulty: 1.5; total difficulty: 48.5

0: Filled in initial combinations & candidates
1: (0) Naked single: 11 in r1c1
2: (0) Naked single: 4 in r1c2
3: (0) Naked single: 7 in r1c10
4: (0) Naked single: 5 in r2c9
5: (0) Naked single: 3 in r2c10
6: (0) Naked single: 15 in r3c15
7: (0) Naked single: 9 in r4c11
8: (0) Naked single: 13 in r5c3
9: (0) Naked single: 11 in r6c2
10: (0) Naked single: 9 in r6c9
11: (0) Naked single: 3 in r7c1
12: (0) Naked single: 5 in r7c6
13: (0) Naked single: 13 in r8c1
14: (0) Naked single: 7 in r8c3
15: (0) Naked single: 5 in r8c15
16: (0) Naked single: 3 in r9c4
17: (0) Naked single: 13 in r10c11
18: (0) Naked single: 10 in r10c14
19: (0) Naked single: 13 in r11c14
20: (0) Naked single: 2 in r10c12
21: (0) Naked single: 9 in r11c1
22: (0) Naked single: 2 in r11c6
23: (0) Naked single: 14 in r11c11
24: (0) Naked single: 7 in r11c15
25: (0) Naked single: 3 in r12c11
26: (0) Naked single: 3 in r14c8
27: (0) Naked single: 5 in r11c8
28: (0) Naked single: 9 in r12c8
29: (0) Naked single: 13 in r12c5
30: (0) Naked single: 14 in r12c15
31: (0) Naked single: 13 in r13c15
32: (0) Naked single: 10 in r15c5
33: (0) Naked single: 13 in r15c6
34: (0) Naked single: 13 in r14c2
35: (0) Naked single: 7 in r15c2
36: (0) Naked single: 7 in r12c1
37: (0) Naked single: 1 in r12c2
38: (0) Naked single: 9 in r13c5
39: (0) Naked single: 4 in r15c1
40: (0) Naked single: 6 in r15c3
41: (1) Hidden single: 3 in r6c13
42: (1) Hidden single: 3 in r13c2
43: (1) Hidden single: 5 in r4c2
44: (0) Naked single: 9 in r3c2
45: (0) Naked single: 5 in r4c2
46: (0) Naked single: 8 in r4c5
47: (0) Naked single: 5 in r5c5
48: (1) Hidden single: 3 in r10c3
49: (1.5) Claiming candidates: cage 21 must contain 1 in r4c9, r4c10: from 4 combinations to 3
50: (1.5) Claiming candidates: cage 107 must contain 15 in r15c10, r15c11: from 10 combinations to 2
51: (1) Hidden single: 5 in r15c4
52: (0) Naked single: 11 in r14c4
53: (0) Naked single: 5 in r15c4
54: (1.5) Claiming candidates: cage 101 must contain 9 in r15c12, r15c13: from 39 combinations to 10
55: (1.5) Claiming candidates: cage 108 must contain 3 in r15c14, r15c15: from 4 combinations to 2
56: (1.5) Claiming candidates: cage 61 must contain 5 in r9c1, r10c1: from 4 combinations to 2
57: (1.5) Claiming candidates: cage 93 must contain 1 in r13c1, r14c1: from 4 combinations to 2
58: (1.5) Claiming candidates: cage 25 must contain 6 in r4c1, r5c1, r6c1: from 24 combinations to 18
59: (1.5) Claiming candidates: cage 25 must contain 12 in r4c1, r5c1, r6c1: from 18 combinations to 12
60: (1.5) Claiming candidates: cage 25 must contain 15 in r4c1, r5c1, r6c1: from 12 combinations to 6
61: (0) Naked single: 14 in r5c2
62: (1.5) Pointing candidates: all combinations for cage 11 contain 13c4; eliminations in r6c4
63: (1.5) Claiming candidates: cage 41 must contain 13 in r6c7, r6c8: from 6 combinations to 4
64: (1.5) Pointing candidates: all combinations for cage 16 contain 7c12,11c12; eliminations in r4c12, r6c12, r7c12, r9c12, r13c12, r14c12, r5c12, r8c12, r12c12
65: (0) Naked single: 13 in r4c12
66: (0) Naked single: 7 in r4c13
67: (0) Naked single: 11 in r5c11
68: (0) Naked single: 15 in r5c12
69: (1.5) Pointing candidates: all combinations for cage 21 contain 3c9; eliminations in r1c9, r5c9
70: (1.5) Pointing candidates: all combinations for cage 44 contain 4c12,14c12; eliminations in r11c12, r12c12, r13c12, r14c12, r15c12
71: (0) Naked single: 8 in r14c12
72: (0) Naked single: 9 in r15c12
73: (1.5) Pointing candidates: all combinations for cage 52 contain 4r7,13r7; eliminations in r7c3, r7c5, r7c7, r7c11, r7c12, r7c13
74: (0) Naked single: 4 in r6c12
75: (0) Naked single: 14 in r7c12
76: (1) Hidden single: 2 in r6c10
77: (1) Hidden single: 1 in r6c11
78: (0) Naked single: 8 in r7c11
79: (0) Naked single: 12 in r7c8
80: (1) Hidden single: 5 in r6c3
81: (1) Hidden single: 10 in r6c15
82: (0) Naked single: 11 in r7c15
83: (1.5) Claiming candidates: cage 69 must contain 1 in r9c15, r10c15: from 6 combinations to 2
84: (1.5) Pointing candidates: all combinations for cage 9 contain 2c15,12c15; eliminations in r4c15, r14c15, r5c15
85: (0) Naked single: 3 in r4c15
86: (0) Naked single: 3 in r3c9
87: (0) Naked single: 3 in r15c14
88: (0) Naked single: 8 in r15c15
89: (0) Naked single: 9 in r5c15
90: (1) Hidden single: 9 in r14c10
91: (1) Hidden single: 5 in r14c7
92: (0) Naked single: 8 in r13c7
93: (0) Naked single: 13 in r6c7
94: (0) Naked single: 8 in r6c8
95: (0) Naked single: 14 in r6c14
96: (0) Naked single: 9 in r7c14
97: (0) Naked single: 1 in r7c3
98: (0) Naked single: 5 in r14c7
99: (1) Hidden single: 8 in r5c4
100: (1) Hidden single: 7 in r6c4
101: (0) Naked single: 15 in r7c4
102: (0) Naked single: 10 in r7c13
103: (0) Naked single: 9 in r8c13
104: (1) Hidden single: 12 in r6c1
105: (0) Naked single: 15 in r4c1
106: (0) Naked single: 6 in r5c1
107: (0) Naked single: 12 in r6c1
108: (1) Hidden single: 2 in r5c8
109: (0) Naked single: 4 in r4c8
110: (0) Naked single: 2 in r5c8
111: (1) Hidden single: 6 in r4c14
112: (0) Naked single: 11 in r3c14
113: (0) Naked single: 11 in r2c12
114: (0) Naked single: 7 in r3c12
115: (0) Naked single: 6 in r4c14
116: (1) Hidden single: 4 in r5c10
117: (0) Naked single: 7 in r5c9
118: (0) Naked single: 7 in r9c8
119: (0) Naked single: 14 in r9c10
120: (0) Naked single: 2 in r9c11
121: (0) Naked single: 13 in r9c9
122: (0) Naked single: 4 in r7c9
123: (0) Naked single: 13 in r7c10
124: (0) Naked single: 4 in r5c10
125: (1) Hidden single: 5 in r10c1
126: (0) Naked single: 8 in r9c1
127: (0) Naked single: 5 in r10c1
128: (1) Hidden single: 6 in r14c15
129: (0) Naked single: 4 in r14c14
130: (0) Naked single: 6 in r14c15
131: (1) Hidden single: 10 in r14c3
132: (1) Hidden single: 15 in r14c11
133: (0) Naked single: 4 in r13c11
134: (0) Naked single: 15 in r14c11
135: (0) Naked single: 15 in r15c10
136: (0) Naked single: 12 in r15c11
137: (1) Hidden single: 12 in r14c9
138: (0) Naked single: 2 in r15c9
139: (0) Naked single: 2 in r14c13
140: (0) Naked single: 14 in r15c13
141: (0) Naked single: 7 in r13c14
142: (1) Hidden single: 8 in r2c13
143: (0) Naked single: 2 in r2c14
144: (0) Naked single: 10 in r2c1
145: (0) Naked single: 13 in r2c8
146: (0) Naked single: 13 in r3c4
147: (0) Naked single: 8 in r1c9
148: (0) Naked single: 10 in r3c8
149: (0) Naked single: 6 in r1c8
150: (0) Naked single: 10 in r1c11
151: (0) Naked single: 10 in r8c10
152: (0) Naked single: 6 in r8c11
153: (0) Naked single: 6 in r7c2
154: (0) Naked single: 7 in r7c7
155: (0) Naked single: 2 in r7c5
156: (0) Naked single: 3 in r8c7
157: (0) Naked single: 12 in r8c12
158: (0) Naked single: 8 in r8c14
159: (0) Naked single: 5 in r9c12
160: (0) Naked single: 2 in r8c2
161: (0) Naked single: 6 in r3c10
162: (0) Naked single: 5 in r3c11
163: (0) Naked single: 1 in r1c12
164: (0) Naked single: 4 in r12c13
165: (0) Naked single: 8 in r12c6
166: (0) Naked single: 3 in r11c12
167: (0) Naked single: 11 in r11c13
168: (0) Naked single: 11 in r10c9
169: (0) Naked single: 1 in r4c9
170: (0) Naked single: 11 in r4c10
171: (0) Naked single: 15 in r12c9
172: (0) Naked single: 11 in r8c8
173: (0) Naked single: 15 in r13c8
174: (0) Naked single: 11 in r15c7
175: (0) Naked single: 1 in r15c8
176: (0) Naked single: 14 in r10c8
177: (0) Naked single: 7 in r10c5
178: (0) Naked single: 1 in r14c5
179: (0) Naked single: 1 in r13c1
180: (0) Naked single: 2 in r12c7
181: (0) Naked single: 11 in r12c3
182: (0) Naked single: 11 in r13c6
183: (0) Naked single: 10 in r13c9
184: (0) Naked single: 10 in r12c12
185: (0) Naked single: 6 in r13c12
186: (0) Naked single: 14 in r14c1
187: (0) Naked single: 7 in r14c6
188: (0) Naked single: 12 in r11c5
189: (0) Naked single: 14 in r8c9
190: (0) Naked single: 11 in r9c5
191: (0) Naked single: 12 in r9c6
192: (0) Naked single: 6 in r11c9
193: (0) Naked single: 7 in r2c11
194: (0) Naked single: 13 in r1c13
195: (0) Naked single: 5 in r1c14
196: (0) Naked single: 12 in r12c14
197: (0) Naked single: 10 in r11c4
198: (0) Naked single: 6 in r12c4
199: (0) Naked single: 5 in r12c10
200: (0) Naked single: 12 in r13c10
201: (0) Naked single: 12 in r5c13
202: (0) Naked single: 3 in r5c6
203: (0) Naked single: 10 in r5c7
204: (0) Naked single: 10 in r4c6
205: (0) Naked single: 1 in r5c14
206: (0) Naked single: 15 in r9c14
207: (0) Naked single: 10 in r9c2
208: (0) Naked single: 12 in r10c2
209: (0) Naked single: 15 in r2c2
210: (0) Naked single: 8 in r11c2
211: (0) Naked single: 8 in r10c10
212: (0) Naked single: 1 in r11c10
213: (0) Naked single: 4 in r11c7
214: (0) Naked single: 15 in r11c3
215: (0) Naked single: 6 in r9c13
216: (0) Naked single: 15 in r10c13
217: (0) Naked single: 5 in r13c13
218: (0) Naked single: 2 in r3c1
219: (0) Naked single: 1 in r2c4
220: (0) Naked single: 4 in r8c4
221: (0) Naked single: 4 in r9c3
222: (0) Naked single: 1 in r9c15
223: (0) Naked single: 9 in r9c7
224: (0) Naked single: 9 in r1c6
225: (0) Naked single: 12 in r1c3
226: (0) Naked single: 2 in r1c15
227: (0) Naked single: 14 in r1c4
228: (0) Naked single: 14 in r13c3
229: (0) Naked single: 2 in r13c4
230: (0) Naked single: 2 in r4c3
231: (0) Naked single: 12 in r4c4
232: (0) Naked single: 12 in r3c7
233: (0) Naked single: 14 in r4c7
234: (0) Naked single: 14 in r2c6
235: (0) Naked single: 14 in r3c5
236: (0) Naked single: 4 in r3c6
237: (0) Naked single: 6 in r2c7
238: (0) Naked single: 6 in r10c6
239: (0) Naked single: 6 in r6c5
240: (0) Naked single: 15 in r6c6
241: (0) Naked single: 1 in r10c7
242: (0) Naked single: 3 in r1c5
243: (0) Naked single: 4 in r2c5
244: (0) Naked single: 12 in r2c15
245: (0) Naked single: 9 in r2c3
246: (0) Naked single: 15 in r1c7
247: (0) Naked single: 4 in r10c15
248: (0) Naked single: 9 in r10c4
249: (0) Naked single: 15 in r8c5
250: (0) Naked single: 1 in r8c6
251: (0) Naked single: 8 in r3c3
252: (0) Naked single: 1 in r3c13