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