2-char prefix grid
|
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
B |
C |
D |
E |
F |
| 0 |
00
|
01
2
|
02
1
|
03
1
|
04
1
|
05
|
06
2
|
07
1
|
08
1
|
09
2
|
0A
1
|
0B
2
|
0C
2
|
0D
2
|
0E
2
|
0F
1
|
| 1 |
10
5
|
11
4
|
12
2
|
13
4
|
14
1
|
15
2
|
16
2
|
17
1
|
18
1
|
19
2
|
1A
1
|
1B
3
|
1C
2
|
1D
2
|
1E
4
|
1F
3
|
| 2 |
20
2
|
21
1
|
22
2
|
23
1
|
24
2
|
25
|
26
2
|
27
1
|
28
1
|
29
1
|
2A
1
|
2B
|
2C
1
|
2D
1
|
2E
|
2F
4
|
| 3 |
30
|
31
|
32
1
|
33
1
|
34
3
|
35
3
|
36
1
|
37
3
|
38
1
|
39
1
|
3A
|
3B
1
|
3C
1
|
3D
|
3E
2
|
3F
3
|
| 4 |
40
|
41
1
|
42
1
|
43
1
|
44
2
|
45
2
|
46
|
47
3
|
48
1
|
49
2
|
4A
2
|
4B
1
|
4C
3
|
4D
2
|
4E
1
|
4F
1
|
| 5 |
50
3
|
51
1
|
52
|
53
2
|
54
2
|
55
2
|
56
|
57
2
|
58
|
59
|
5A
1
|
5B
|
5C
1
|
5D
|
5E
2
|
5F
4
|
| 6 |
60
1
|
61
|
62
1
|
63
1
|
64
2
|
65
2
|
66
1
|
67
2
|
68
4
|
69
4
|
6A
2
|
6B
|
6C
3
|
6D
1
|
6E
1
|
6F
4
|
| 7 |
70
1
|
71
4
|
72
1
|
73
4
|
74
5
|
75
2
|
76
2
|
77
2
|
78
1
|
79
1
|
7A
1
|
7B
1
|
7C
1
|
7D
3
|
7E
2
|
7F
1
|
| 8 |
80
2
|
81
2
|
82
2
|
83
3
|
84
1
|
85
1
|
86
1
|
87
1
|
88
3
|
89
1
|
8A
2
|
8B
|
8C
2
|
8D
|
8E
3
|
8F
2
|
| 9 |
90
4
|
91
2
|
92
2
|
93
2
|
94
1
|
95
|
96
3
|
97
4
|
98
1
|
99
1
|
9A
1
|
9B
1
|
9C
3
|
9D
|
9E
2
|
9F
2
|
| A |
A0
3
|
A1
3
|
A2
|
A3
2
|
A4
|
A5
3
|
A6
|
A7
2
|
A8
1
|
A9
|
AA
2
|
AB
1
|
AC
2
|
AD
1
|
AE
|
AF
1
|
| B |
B0
2
|
B1
|
B2
1
|
B3
|
B4
2
|
B5
1
|
B6
1
|
B7
2
|
B8
2
|
B9
|
BA
2
|
BB
1
|
BC
1
|
BD
1
|
BE
|
BF
1
|
| C |
C0
3
|
C1
4
|
C2
1
|
C3
3
|
C4
1
|
C5
2
|
C6
1
|
C7
1
|
C8
4
|
C9
1
|
CA
1
|
CB
1
|
CC
1
|
CD
1
|
CE
1
|
CF
1
|
| D |
D0
2
|
D1
|
D2
1
|
D3
2
|
D4
1
|
D5
1
|
D6
|
D7
2
|
D8
1
|
D9
|
DA
3
|
DB
1
|
DC
2
|
DD
2
|
DE
4
|
DF
2
|
| E |
E0
1
|
E1
4
|
E2
1
|
E3
|
E4
2
|
E5
1
|
E6
1
|
E7
2
|
E8
1
|
E9
1
|
EA
|
EB
1
|
EC
2
|
ED
3
|
EE
1
|
EF
|
| F |
F0
2
|
F1
2
|
F2
1
|
F3
2
|
F4
1
|
F5
2
|
F6
|
F7
2
|
F8
2
|
F9
2
|
FA
2
|
FB
2
|
FC
2
|
FD
1
|
FE
1
|
FF
|