20	1	0	1	1	0	0	20	0	20	0	1	
0	17	1	0	19	1	20	0	0	0	0	0	
0	1	0	19	0	0	0	0	20	0	0	19	
0	1	19	0	0	19	0	0	0	0	20	0	
