0	2	0	0	0	0	0	0	0	1	0	0	
1	0	0	19	0	20	0	0	2	0	1	0	
18	17	17	1	19	0	20	0	17	19	19	19	
1	1	3	0	1	0	0	20	1	0	0	1	
