0	1	17	19	0	0	0	0	20	1	0	0	
19	18	0	1	1	0	20	0	0	1	20	0	
0	1	3	0	19	0	0	19	0	17	0	19	
1	0	0	0	0	20	0	1	0	1	0	1	
