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