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