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