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