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