2	1	1	0	0	0	19	0	20	0	18	1	
0	18	19	20	19	20	0	0	0	19	0	0	
16	1	0	0	1	0	0	0	0	1	1	18	
2	0	0	0	0	0	1	20	0	0	1	1	
