0	2	2	0	2	3	0	2	4
2	3	4
10	10	19	19	39	39
2	2	2	2	2	2	2	2	2	2	2	2
0	0	0	0	0	0	0	0	0	0	0	0
3	3	3	5	5	5	10	10	10	19	19	20
2	3	4	5	6	7