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