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