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