2^7  0yyy-zzzz                             128 7F
2^14 10yy-zzzz wwxx-xxyy                16,384 BF FF
2^22 11yy-zzzz wwxx-xxyy uuvv-vvww   4,194,304 FF FF FF
	                            total: 4,210,816
utf-8 by comparison:
	   2^21 +    2^16 +  2^11 + 2^7
  2097152 +   65536 +  2048 + 128
                        2,164,864
mtf-0
               2^22 +  2^14 + 2^7
            4194304 + 16384 + 128
                        4,210,816

bigint pre-str                               mask [0][]
1   2^7         00-7F                         80   7F
3   2^22        80-40 00 7F                   C0   BF FF FF
9   2^68  40 00 80-0F FF FF FF FF FF C0 7F    F0   DF FF FF FF FF FF FF FF FF
33  2^260 0F FF FF FF FF FF C0 80-

>83076749736557242051984341644345217 F0   DF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
81  2^644 []                                                         F0   EF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
32  2^256 []                                                         FF   F0

[00 00]

-((2^52)-4194177)

1
1 3
1 3 9
1 3 9 27
1 3 9 27 81|

HEX BIN       CHAR
  0 0000_0000 0
  1 0000_0001 1
  2 0000_0010 2
  3 0000_0011 3
  4 0000_0100 4
  5 0000_0101 5
  6 0000_0110 6
  7 0000_0111 7
  8 0000_1000 8
  9 0000_1001 9
  a 0000_1010 a
  b 0000_1011 b
  c 0000_1100 c
  d 0000_1101 d
  e 0000_1110 e
  f 0000_1111 f
 10 0001_0000 g
 11 0001_0001 h
 12 0001_0010 i
 13 0001_0011 j
 14 0001_0100 k
 15 0001_0101 l
 16 0001_0110 m
 17 0001_0111 n
 18 0001_1000 o
 19 0001_1001 p
 1a 0001_1010 q
 1b 0001_1011 r
 1c 0001_1100 s
 1d 0001_1101 t
 1e 0001_1110 u
 1f 0001_1111 v
 20 0010_0000 w
 21 0010_0001 x
 22 0010_0010 y
 23 0010_0011 z
 24 0010_0100 A
 25 0010_0101 B
 26 0010_0110 C
 27 0010_0111 D
 28 0010_1000 E
 29 0010_1001 F
 2a 0010_1010 G
 2b 0010_1011 H
 2c 0010_1100 I
 2d 0010_1101 J
 2e 0010_1110 K
 2f 0010_1111 L
 30 0011_0000 M
 31 0011_0001 N
 32 0011_0010 O
 33 0011_0011 P
 34 0011_0100 Q
 35 0011_0101 R
 36 0011_0110 S
 37 0011_0111 T
 38 0011_1000 U
 39 0011_1001 V
 3a 0011_1010 W
 3b 0011_1011 X
 3c 0011_1100 Y
 3d 0011_1101 Z
 3e 0011_1110 _
 3f 0011_1111 -
 40 0100_0000 =
 41 0100_0001 +
 42 0100_0010 ±	U+00B1 PLUS-MINUS SIGN
 43 0100_0011 ÷	U+00F7 DIVISION SIGN
 44 0100_0100 ×	U+00D7 MULTIPLICATION SIGN
 45 0100_0101 *
 46 0100_0110 ~
 47 0100_0111 ¬	U+00AC NOT SIGN
 48 0100_1000 &
 49 0100_1001 %
 4a 0100_1010 '
 4b 0100_1011 "
 4c 0100_1100 ,
 4d 0100_1101 .
 4e 0100_1110 · U+00B7 MIDDLE DOT
 4f 0100_1111 ;
 50 0101_0000 ^
 51 0101_0001 |
 52 0101_0010 /
 53 0101_0011 \
 54 0101_0100 (
 55 0101_0101 )
 56 0101_0110 {
 57 0101_0111 }
 58 0101_1000 [
 59 0101_1001 ]
 5a 0101_1010 <
 5b 0101_1011 >
 5c 0101_1100 ¿ U+00BF Inverted question mark
 5d 0101_1101 ?
 5e 0101_1110 ¡ U+00A1 Inverted exclamation mark
 5f 0101_1111 !
 60 0110_0000 `
 61 0110_0001 #
 62 0110_0010 °	U+00B0 DEGREE SIGN
 63 0110_0011
 64 0110_0100
 65 0110_0101
 66 0110_0110 Space ( )
 67 0110_0111 Newline (\n)
 68 0110_1000 Stress/Destress-Start
 69 0110_1001 Stress/Destress-End
 6a 0110_1010 Super/Sub-Start
 6b 0110_1011 Super/Sub-End
 6c 0110_1100 Meta/Hyper-Start
 6d 0110_1101 Meta/Hyper-End
 6e 0110_1110
 6f 0110_1111
 70 0111_0000 ALT[ernative encoding]
 71 0111_0001 RLE: +1 [Run Length Extra]
 72 0111_0010 RLE: +2
 73 0111_0011 RLE: +3
 74 0111_0100 RLE: +4
 75 0111_0101 RLE: +5
 76 0111_0110 RLE: +6
 77 0111_0111 RLE: +7
 78 0111_1000 RLP: 2  [Run Length Positioning]
 79 0111_1001 RLP: 3
 7a 0111_1010 RLP: 4
 7b 0111_1011 RLP: 5
 7c 0111_1100 RLP: 6
 7d 0111_1101 RLP: 7
 7e 0111_1110 Error (�)
 7f 0111_1111 Final (End of Stream)

if bit(8) == 0:
	encoded_length = 2^7
elif bit(16) == 0:
	encoded_length = 2^14
else:
	encoded_length = 2^22