5 4
0 0	0 0 1 0
1 0	0 0 1 1
2 0	1 0 0 1
3 0	1 0 1 0
4 0	1 0 0 1
0 1	1 0 1 0
1 1	0 0 0 1
2 1	1 1 0 0
3 1	1 1 0 0
4 1	1 1 0 0
0 2	1 1 1 0
1 2	0 0 1 1
2 2	0 1 1 1
3 2	0 1 0 1
4 2	1 1 0 0
0 3	1 1 1 0
1 3	0 0 1 1
2 3	0 0 1 1
3 3	0 0 1 1
4 3	0 1 0 1