2	20	0	19	0	0	20	0	0	0	0	0	
0	0	1	1	20	0	0	20	0	2	1	0	
18	0	1	0	0	0	0	0	1	17	0	19	
0	0	18	0	0	20	0	0	19	1	19	1	
