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