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