3
2
1
0
1
0
1
0
4
3
2
1
0
1
0
3
2
1
0
0
0
0
1
0
0
0
0
0
5
4
3
2
1
0
3
2
1
0
0
0
0
0
1
0
0
0
2
1
0
3
2
1
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
1
0
2
1
0
0
0
4
3
2
1
0
2
1
0
0
1
0
1
0
0
0
0
3
2
1
0
0
0
190