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