1 0 0 2 2
2 0 0 2 2
3 0 0 3 3
4 0 0 3 3
5 0 0 4 4
6 0 0 5 5
7 0 0 5 5
8 0 0 7 7
9 0 0 7 7
10 0 0 9 9
11 0 0 9 9
12 0 0 11 11
13 0 0 11 11
14 0 0 14 14
15 0 0 14 14
16 0 0 15 15
17 0 0 15 15
18 0 0 16 16
19 0 0 16 16
20 0 0 17 17
21 0 0 17 17
22 0 0 17 17
23 0 0 17 17
24 0 0 17 17