0
and
1
1
0
1
2
2
0
1
0
0
0
0
0
1
0
0
4
2
0
0
2
1
1
2
4
0
2
0
0
0
0
0
0
0
0
0
0
0
0
2
1
1
1
3
1
0
1
6
1
2
0
1
0
5