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