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