2
control
1
4
1
2
0
1
0
4
2
0
2
2
2
0
1
0
1
1
1
2
1
1
3
1
2
2
2
3
1
2
1
1
1
1
4
2
2
3
2
1
1
3
0
1
0
1
3
1
3
