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