[1] : 4:7 5:1 7:1
0 1 2 3
[0] 1 4 3
[1] 0 2 5 6
[2] 1 3 7 8
[3] 0 9 10 2
[4] 0 8 7 6 9
[5] 1 8 10 9
[6] 1 4 10
[7] 2 10 4
[8] 2 4 5
[9] 3 4 5
[10] 3 5 6 7

[2] : 4:13
0 1 2 3
[0] 1 4 5 3
[1] 0 2 6 7
[2] 1 3 8 9
[3] 0 10 11 2
[4] 0 7 12 9
[5] 0 9 8 10
[6] 1 9 12 11
[7] 1 11 10 4
[8] 2 11 12 5
[9] 2 5 4 6
[10] 3 5 12 7
[11] 3 7 6 8
[12] 4 10 8 6

[3] : 4:8 5:4
0 1 2 3
[0] 1 4 3
[1] 0 2 5 6 7 8
[2] 1 3 9 10
[3] 0 11 12 2
[4] 0 9 6 11
[5] 1 10 11
[6] 1 4 12
[7] 1 12 11 13
[8] 1 13 9
[9] 2 12 4 8
[10] 2 13 5
[11] 3 4 5 7
[12] 3 7 6 9
[13] 7 10 8

[4] : 4:7 5:1 7:1
0 1 2 3
[0] 1 4 3
[1] 0 2 5 6
[2] 1 3 7 8
[3] 0 9 10 2
[4] 0 6 8 7 9
[5] 1 10 9 7
[6] 1 10 4
[7] 2 5 4
[8] 2 4 10
[9] 3 4 5
[10] 3 5 8 6