3 	1 	
0 	2 	
0 	1 	
2 	1 	
0 	0 	0 	1 	0 	1 	0 	1 	
1 	1 	1 	0 	1 	1 	0 	0 	
0 	1 	1 	1 	1 	1 	0 	0 	
0 	0 	0 	0 	0 	0 	0 	0 	
