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