0	2	2	2	0
0	1	1	1	0
1	3	0	0	0
2	3	0	0	0
3	5	2	2	0
3	4	1	1	0
4	6	0	0	0
5	6	0	0	0
6	8	2	2	0
6	7	1	1	0
7	0	0	0	0
7	0
8	0	0	0	0
8	0