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