20
12 15 17 13 14 16 11 19 20 18 
18 19 15 13 20 11 17 16 12 14 
16 18 19 12 11 14 17 15 13 20 
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13 19 15 16 18 12 17 11 14 20 
19 13 14 12 16 17 18 20 11 15 
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16 12 20 14 19 18 11 13 15 17 
16 12 13 15 11 17 14 18 20 19 
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