7
6
5
4
3
2
1
*
0
*
1
*
2
1
*
0
*
3
2
1
*
0
*
1
*
4
3
2
1
*
0
*
1
*
2
1
*
0
*
5
4
3
2
1
*
0
*
1
*
2
1
*
0
*
3
2
1
*
0
*
1
*