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