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