14 6
3 6
0 0
1	1	1	1	1	0	0	0	0	0	0	0	0	0
-1	0	0	1	1	0	0	0	0	0	0	0	0	0
1	1	0	1	1	1	1	1	2	2	2	2	2	4 1 1
1	0	0	1	1	1	2	1	2	2	2	2	2	0
0	0	0	0	0	0	0	1	0	0	4 2 1	2	2	2
0	0	0	0	0	0	0	4  5 1	0	0	0	0	0	0
