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