50 50
50
1 0 1 1
2 0 2 1
3 0 3 1
4 0 4 1
5 0 5 1
6 0 6 1
7 0 7 1
8 0 8 1
9 0 9 1
10 0 10 1
11 0 11 1
12 0 12 1
13 0 13 1
14 0 14 1
15 0 15 1
16 0 16 1
17 0 17 1
18 0 18 1
19 0 19 1
20 0 20 1
21 0 21 1
22 0 22 1
23 0 23 1
24 0 24 1
25 0 25 1
0 1 1 1
0 2 1 2
0 3 1 3
0 4 1 4
0 5 1 5
0 6 1 6
0 7 1 7
0 8 1 8
0 9 1 9
0 10 1 10
0 11 1 11
0 12 1 12
0 13 1 13
0 14 1 14
0 15 1 15
0 16 1 16
0 17 1 17
0 18 1 18
0 19 1 19
0 20 1 20
0 21 1 21
0 22 1 22
0 23 1 23
0 24 1 24
0 25 1 25