48
1
0 20 16 44 48 36
0 0 32 20 64 24
56 48 0 36 24 64
16 44 60 0 4 20
40 8 12 12 0 36
8 4 32 60 52 0

3
0 24 8 4 20 16
32 0 32 24 28 32
4 12 0 0 8 28
20 28 12 0 8 24
24 16 20 0 0 8
20 16 16 8 0 0

12
0 4 4 4 0 0
4 0 4 4 0 8
0 4 0 8 4 0
8 0 8 0 8 0
4 8 0 8 0 4
4 4 8 8 8 0