20
14 11 16 13 17 15 12 20 18 19 
17 13 15 14 19 11 20 16 18 12 
18 11 13 16 12 19 17 20 15 14 
15 20 13 14 18 19 12 16 11 17 
19 11 17 16 14 12 20 15 13 18 
15 13 11 19 20 17 16 14 18 12 
14 18 12 20 15 19 11 16 17 13 
12 13 19 18 15 11 17 20 14 16 
14 17 16 13 18 12 20 15 11 19 
12 14 13 15 20 16 17 19 18 11 
6 1 5 9 2 8 4 10 7 3 
2 6 5 9 1 4 7 10 3 8 
4 6 10 3 2 5 7 9 8 1 
2 9 6 3 5 8 1 10 4 7 
5 6 3 10 1 9 7 4 8 2 
3 9 4 2 6 5 7 8 10 1 
1 6 10 9 7 3 5 4 2 8 
8 3 1 4 6 2 7 10 5 9 
1 5 3 7 4 8 2 6 9 10 
8 3 6 2 9 10 1 5 4 7 
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