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

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

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

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

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

