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