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