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