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