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