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