9 10
5 6
0 0
1	1	0	0	0	0	0	0	0
1	1	1	1	1	0	0	0	0
1	1	1	1	1	1	1	0	0
0	1	0	0	1	1	1	0	0
0	1	0	0	0	0	0	0	0
0	1	1	1	2	2	2	2	2
0	0	1	1	2	2	2	2	2
0	0	1	1	1	0	2	-1	2
0	0	0	1	1	0	2	2	2
0	0	0	1	1	0	0	0	0
