1	2	20	1	0	19	0	0	1	0	1	1	
1	0	0	0	0	0	0	20	19	2	19	19	
0	0	0	19	1	1	20	0	0	0	0	0	
18	18	0	0	19	0	0	0	0	18	0	0	
