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