1	0
1	0
1	0
1	0
1	1
0	1
0	1
1	1
0	1
1	1
0	1
0	1
0	1
0	1
0





NA
0	1
0





NA
1	1
0	1
0	NA
1	0
1	1
1





NA
1	1
1	1
1	1
1	1
1	1
0





NA
0	0
1	0
0	1
0	0
0	1
1	0