9
	0	0	3	1	5	7	0	0	0	
	3	0	0	0	0	2	3	0	0
	1	0	0	0	0	9	16	0	0
	5	0	0	0	0	5	0	7	0
	7	0	0	0	0	10	2	4	0
	0	2	9	5	10	0	0	0	13
	0	3	16	0	2	0	0	0	1
	0	0	0	7	4	0	0	0	2
	0	0	0	0	0	13	1	1	0