20 190
1 2 1000
1 3 1000
1 4 1000
1 5 1000
1 6 1000
1 7 1000
1 8 1000
1 9 1000
1 10 1000
1 11 1000
1 12 1000
1 13 1000
1 14 1000
1 15 1000
1 16 1000
1 17 1000
1 18 1000
1 19 1000
1 20 1000
2 3 1000
2 4 1000
2 5 1000
2 6 1000
2 7 1000
2 8 1000
2 9 1000
2 10 1000
2 11 1000
2 12 1000
2 13 1000
2 14 1000
2 15 1000
2 16 1000
2 17 1000
2 18 1000
2 19 1000
2 20 1000
3 4 1000
3 5 1000
3 6 1000
3 7 1000
3 8 1000
3 9 1000
3 10 1000
3 11 1000
3 12 1000
3 13 1000
3 14 1000
3 15 1000
3 16 1000
3 17 1000
3 18 1000
3 19 1000
3 20 1000
4 5 1000
4 6 1000
4 7 1000
4 8 1000
4 9 1000
4 10 1000
4 11 1000
4 12 1000
4 13 1000
4 14 1000
4 15 1000
4 16 1000
4 17 1000
4 18 1000
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4 20 1000
5 6 1000
5 7 1000
5 8 1000
5 9 1000
5 10 1000
5 11 1000
5 12 1000
5 13 1000
5 14 1000
5 15 1000
5 16 1000
5 17 1000
5 18 1000
5 19 1000
5 20 1000
6 7 1000
6 8 1000
6 9 1000
6 10 1000
6 11 1000
6 12 1000
6 13 1000
6 14 1000
6 15 1000
6 16 1000
6 17 1000
6 18 1000
6 19 1000
6 20 1000
7 8 1000
7 9 1000
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7 15 1000
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7 18 1000
7 19 1000
7 20 1000
8 9 1000
8 10 1000
8 11 1000
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8 14 1000
8 15 1000
8 16 1000
8 17 1000
8 18 1000
8 19 1000
8 20 1000
9 10 1000
9 11 1000
9 12 1000
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9 14 1000
9 15 1000
9 16 1000
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9 18 1000
9 19 1000
9 20 1000
10 11 1000
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10 18 1000
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10 20 1000
11 12 1000
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11 18 1000
11 19 1000
11 20 1000
12 13 1000
12 14 1000
12 15 1000
12 16 1000
12 17 1000
12 18 1000
12 19 1000
12 20 1000
13 14 1000
13 15 1000
13 16 1000
13 17 1000
13 18 1000
13 19 1000
13 20 1000
14 15 1000
14 16 1000
14 17 1000
14 18 1000
14 19 1000
14 20 1000
15 16 1000
15 17 1000
15 18 1000
15 19 1000
15 20 1000
16 17 1000
16 18 1000
16 19 1000
16 20 1000
17 18 1000
17 19 1000
17 20 1000
18 19 1000
18 20 1000
19 20 1000
