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