2
normal
2
4
2
3
0
1
4
1
3
0
2
1
2
0
1
1
3
0
1
1
2
3
0
2
2
1
1
0
2
3
1
1
1
1
1
2
2
4
1
1
2
2
1
1
3
1
3
2
1
