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