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