0
1
mirror of https://git.sb/baoshuo/OI-codes.git synced 2024-11-14 08:18:48 +00:00
OI-codes/LibreOJ/2361/data/problem4.ans

5143 lines
10 KiB (Stored with Git LFS)
Plaintext

0
0
2
7
0
9
1
0
0
7
1
0
0
3
0
9
0
9
0
0
0
0
0
4
3
9
0
0
6
0
0
0
9
4
0
5
0
0
0
5
7
0
4
3
0
0
0
9
0
0
0
0
7
0
0
2
7
0
0
0
7
0
0
0
0
4
2
0
0
0
9
9
0
0
1
1
0
0
0
0
0
0
0
0
0
0
1
0
1
0
2
0
7
3
7
7
0
4
3
0
1
3
4
6
0
0
0
0
0
0
0
0
7
0
0
0
1
0
0
0
9
0
0
3
3
0
0
7
7
1
3
0
0
2
5
0
0
0
5
7
0
4
0
4
4
0
5
0
0
3
0
0
9
0
3
0
0
6
0
0
0
0
7
7
0
0
0
0
0
3
7
1
4
2
3
0
2
0
7
0
0
0
0
0
0
9
4
0
0
4
7
0
3
1
0
0
0
0
0
1
9
0
7
0
0
0
0
3
0
0
0
0
0
1
0
9
7
0
3
0
0
0
0
0
9
7
0
0
7
0
2
0
9
9
0
0
0
7
0
0
1
0
0
0
0
0
3
9
0
0
3
0
0
3
0
0
1
4
9
3
5
0
0
0
0
0
0
0
9
0
9
0
0
0
4
4
0
7
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
7
0
0
0
4
0
4
0
1
0
1
0
7
0
0
0
0
9
3
0
0
0
3
9
4
9
1
0
0
4
3
7
0
0
0
0
1
0
5
9
2
0
0
0
2
4
0
0
0
0
0
1
0
0
7
0
0
4
0
9
0
1
0
0
3
7
0
0
9
0
7
0
0
7
7
0
0
0
0
0
0
0
7
1
3
0
4
0
0
0
3
0
0
0
0
0
0
0
0
0
9
0
0
0
9
9
0
0
1
0
0
0
9
9
0
0
7
0
0
0
7
4
0
0
3
9
0
0
0
0
0
0
0
0
0
3
4
1
1
0
7
9
4
0
9
9
1
0
9
3
3
1
0
4
7
2
0
0
0
0
0
0
5
0
0
5
3
0
1
9
0
0
0
9
0
4
0
7
7
0
0
0
1
5
0
7
0
0
5
7
3
0
0
4
4
4
3
4
0
0
3
7
0
0
5
0
3
0
7
1
1
0
0
0
0
7
0
0
6
0
0
0
0
0
0
7
7
0
0
7
4
0
1
9
7
4
4
0
0
9
9
0
0
7
0
0
9
0
9
0
9
3
0
0
3
0
0
0
0
0
0
0
9
7
0
0
0
7
0
3
1
0
2
6
7
0
0
0
0
0
4
0
4
3
7
0
4
0
9
0
0
1
4
0
0
4
9
0
9
5
0
0
4
4
0
3
0
3
0
6
0
0
0
0
0
0
0
7
0
0
0
0
0
3
9
0
0
4
0
0
0
1
3
0
0
3
0
0
0
0
0
9
0
4
0
0
0
1
1
9
4
0
1
0
4
0
7
0
0
0
0
9
3
9
7
0
0
5
1
3
0
0
0
0
0
0
0
6
0
3
4
3
0
4
4
2
0
0
6
0
0
0
0
9
1
2
0
0
0
3
0
0
0
0
0
0
0
7
0
1
0
7
5
0
4
7
3
4
5
7
0
3
0
9
9
4
0
9
0
0
6
0
0
4
0
0
0
1
9
6
7
9
0
0
3
0
9
4
1
4
0
3
0
0
0
0
0
0
7
0
0
9
0
0
4
2
3
0
4
3
0
9
7
9
9
3
4
1
0
0
0
0
0
0
4
9
5
0
0
3
0
0
0
0
5
0
4
0
3
0
1
1
4
9
3
0
4
0
0
0
7
1
0
0
5
3
9
0
0
0
0
4
0
9
0
0
0
2
0
0
7
0
0
0
9
0
0
0
0
7
0
0
0
0
0
0
0
0
1
7
0
0
1
0
0
9
3
3
9
0
4
0
0
3
0
4
0
3
0
0
0
1
4
7
3
7
0
1
0
0
0
1
4
0
0
0
1
0
0
9
0
0
0
4
0
0
9
0
4
6
4
0
0
0
0
0
0
9
6
3
9
0
0
4
3
0
0
3
9
0
9
7
0
5
0
9
0
0
3
9
0
0
7
1
1
0
0
3
0
0
0
0
0
9
0
3
3
6
7
0
0
7
0
3
7
0
0
9
0
0
0
0
0
0
7
0
9
0
0
7
0
9
0
6
0
3
0
0
0
0
0
0
0
5
0
0
0
0
9
0
4
0
1
4
3
0
0
0
9
4
0
3
1
0
0
9
0
3
0
0
4
7
0
0
0
0
7
0
5
0
0
4
3
1
0
7
9
4
0
3
9
0
7
0
7
0
0
1
0
3
2
0
0
0
0
0
0
0
0
0
0
0
4
4
0
0
0
6
0
0
9
9
0
0
0
0
0
1
4
0
7
3
3
0
0
4
4
3
0
0
0
0
0
0
0
1
0
3
0
0
0
0
9
2
4
0
0
0
0
4
3
0
0
0
4
9
5
0
7
0
3
3
5
0
0
2
0
0
9
7
0
0
7
0
0
1
0
7
4
0
2
0
2
0
0
4
0
9
2
0
0
9
0
0
1
0
0
9
0
0
7
0
4
0
9
0
2
3
3
0
6
9
0
0
0
0
0
0
0
9
0
0
9
4
7
0
0
4
0
4
0
0
0
7
1
7
0
1
0
7
0
9
0
9
0
0
0
0
0
0
0
9
0
5
0
0
7
0
0
0
0
0
0
0
0
9
4
0
0
0
0
0
4
0
0
0
0
0
7
2
6
9
1
0
0
0
0
0
4
6
7
0
1
0
0
9
4
0
0
0
7
9
0
4
0
7
0
7
9
0
0
3
0
9
0
0
4
0
6
0
0
2
3
0
7
0
9
0
9
7
4
0
0
1
0
0
7
0
0
4
0
0
0
0
1
4
9
7
0
0
9
0
9
9
0
0
0
5
1
0
1
9
9
7
0
7
0
0
0
7
0
7
0
9
9
0
7
0
9
0
7
0
0
0
0
4
4
0
7
0
0
1
0
0
0
0
5
0
9
0
9
0
4
7
9
4
7
9
0
0
0
0
0
1
0
0
7
0
3
7
9
0
0
6
6
4
9
3
0
0
0
1
0
3
2
9
2
0
5
9
1
0
2
7
9
0
0
0
0
3
9
4
1
0
0
9
1
3
0
9
0
0
0
3
0
3
4
0
0
0
9
0
7
0
7
0
0
0
0
0
9
0
9
9
9
0
0
2
4
0
0
5
6
0
0
0
0
0
1
0
0
4
0
0
0
0
7
0
0
0
0
0
1
0
0
0
4
3
0
9
0
0
0
0
0
0
9
0
0
0
1
0
6
0
3
4
0
3
0
0
0
0
0
0
0
9
5
0
0
0
3
0
1
0
0
0
7
7
7
0
7
7
4
0
9
0
0
0
0
0
9
0
0
4
0
0
0
0
9
4
0
4
0
0
1
0
0
9
0
0
2
0
1
7
0
0
0
0
0
0
0
4
0
4
0
0
7
0
0
5
0
0
0
2
9
0
0
0
4
0
1
9
0
0
0
0
7
7
0
7
0
3
9
4
0
9
4
9
7
0
0
0
6
0
9
7
0
0
0
0
0
0
0
0
0
0
4
0
0
6
4
7
1
0
9
1
4
0
0
0
0
4
0
0
7
2
0
4
4
3
0
0
0
1
7
0
7
3
0
9
4
0
4
3
1
0
0
1
0
0
0
0
0
4
7
1
0
0
4
5
0
1
0
1
0
4
0
0
0
3
1
0
0
0
6
0
0
7
0
0
0
7
0
0
3
3
9
0
0
1
0
0
0
0
4
3
0
0
1
0
0
0
0
9
9
0
0
0
0
1
9
0
0
0
0
0
4
0
0
1
0
0
0
0
4
0
0
0
0
0
0
4
7
0
0
1
0
0
0
9
1
0
0
0
0
4
7
7
0
0
0
0
0
2
0
0
7
1
0
0
0
0
0
0
9
9
0
0
0
3
0
1
0
3
0
0
9
0
7
9
0
0
0
0
2
2
4
0
0
0
1
4
7
3
9
0
0
0
7
0
9
4
0
3
0
6
0
0
0
1
4
0
0
1
7
9
0
0
0
7
3
0
3
0
0
7
4
4
0
3
0
0
0
0
3
0
4
0
0
0
9
4
4
7
7
4
1
0
9
7
0
7
0
0
9
4
0
2
0
9
1
9
0
0
0
7
0
1
0
9
4
9
0
9
6
0
0
4
0
3
4
5
0
0
4
9
4
3
0
0
0
0
7
0
0
0
0
0
7
0
7
1
0
4
4
0
3
0
9
4
3
4
1
3
4
4
0
0
3
0
0
0
0
0
1
0
4
0
0
3
0
0
0
0
4
4
3
0
4
4
0
0
0
1
0
0
2
0
0
1
0
0
0
0
0
3
7
1
0
9
0
0
0
0
9
0
0
0
0
6
0
0
0
4
9
7
3
0
0
7
0
0
0
0
0
7
0
0
0
0
6
0
4
0
4
7
0
1
9
7
4
3
5
0
3
0
0
3
1
4
1
9
0
0
6
0
0
0
0
3
9
5
0
1
4
0
0
1
7
0
0
3
9
0
5
9
4
5
0
0
7
0
1
4
2
4
7
0
0
1
0
0
1
0
3
7
0
0
9
1
3
0
7
2
0
1
0
3
4
0
0
0
0
0
0
0
1
0
0
9
0
3
4
6
1
0
4
0
9
0
0
9
0
9
0
0
1
3
0
4
6
0
0
0
2
3
0
9
4
0
9
7
0
0
7
0
7
0
0
3
7
0
0
9
3
0
4
0
1
3
2
0
4
0
0
0
0
0
4
7
4
0
0
0
0
0
0
4
0
0
0
7
0
0
0
0
9
0
0
0
0
9
2
0
6
0
1
0
0
0
6
0
0
0
1
2
0
0
0
0
0
7
3
0
9
9
0
1
4
0
0
7
0
0
0
0
0
0
0
4
7
0
0
0
3
2
0
0
4
6
1
0
6
1
0
0
1
7
9
4
0
3
6
0
6
4
0
0
0
3
9
0
5
0
0
0
0
5
7
0
9
4
0
2
9
3
0
7
5
4
1
0
0
1
0
0
0
4
0
0
0
7
4
0
1
2
7
3
0
0
0
0
4
3
0
0
6
0
0
2
0
7
0
0
0
7
7
6
4
7
0
3
9
1
0
5
0
0
0
0
0
4
4
3
9
0
0
0
5
0
0
0
7
0
0
1
0
9
0
9
2
0
0
9
1
0
7
0
0
3
7
0
9
7
0
0
4
0
0
4
0
3
0
0
0
0
0
0
0
0
0
0
2
0
0
4
0
9
0
0
0
0
0
4
0
0
0
9
1
7
0
0
0
1
7
0
9
3
3
7
0
0
1
5
0
0
0
4
0
0
6
0
4
7
0
0
0
0
4
1
6
0
9
0
3
0
0
4
7
0
1
9
3
0
4
7
2
0
0
0
0
5
1
7
0
2
0
0
0
0
1
0
9
0
9
0
3
3
4
3
3
0
2
0
0
0
3
0
0
0
0
1
2
0
0
0
4
0
0
6
0
1
9
0
4
0
3
4
3
3
0
0
7
0
7
0
0
7
0
0
0
0
0
0
0
7
3
0
3
9
0
0
0
0
9
1
0
9
0
3
0
6
7
1
0
0
0
0
0
0
4
0
0
4
0
0
5
0
0
7
6
0
0
3
0
0
0
0
0
0
0
4
4
9
3
0
0
0
3
0
9
9
0
7
0
0
2
0
0
9
9
0
4
6
4
0
3
7
0
0
0
0
0
0
0
4
0
0
0
4
0
0
4
0
0
0
0
9
4
3
9
9
0
1
0
0
3
0
1
0
0
0
7
1
5
0
0
0
0
0
1
1
9
0
9
0
7
0
6
0
7
7
3
9
0
7
0
0
0
4
0
0
0
2
0
0
0
0
0
4
0
0
0
4
4
7
0
0
0
4
3
0
0
0
2
0
4
7
0
5
0
9
0
9
0
7
0
0
7
0
0
0
0
0
0
4
0
4
4
3
0
0
0
1
0
0
0
0
2
6
1
0
9
0
0
0
3
0
7
4
0
9
1
0
9
1
5
0
9
0
0
0
0
0
0
0
0
0
3
0
0
0
1
0
3
0
7
5
0
0
0
7
0
0
0
3
0
1
6
0
3
0
0
9
0
0
0
4
3
9
3
7
9
0
0
0
3
0
6
0
5
0
4
0
0
0
0
0
4
0
0
7
0
0
9
7
4
0
7
3
0
0
9
1
0
0
0
2
4
7
7
0
4
0
7
1
9
0
0
7
1
1
7
0
0
0
0
0
7
3
0
1
4
0
0
0
4
0
0
0
1
0
3
7
0
4
9
9
0
9
0
6
0
9
0
1
0
0
5
0
3
0
7
9
7
4
0
4
0
0
0
4
9
0
0
7
0
7
0
0
0
9
0
0
0
0
1
0
7
0
0
1
4
0
0
0
0
0
0
0
0
7
0
2
0
0
1
7
0
0
3
0
0
0
0
0
1
7
9
0
0
0
0
1
0
9
0
1
0
1
0
9
4
9
0
0
6
7
7
1
9
0
0
9
5
0
7
9
7
0
0
0
1
0
0
6
4
7
0
0
4
4
0
6
0
5
1
9
0
0
0
9
0
7
0
0
0
4
0
0
0
7
7
0
0
0
9
0
0
0
4
4
9
0
1
0
3
4
7
7
7
0
0
0
9
4
7
4
1
4
0
4
7
0
0
0
0
0
0
0
0
7
0
7
0
0
7
1
0
7
0
0
0
0
0
0
0
9
3
5
0
7
5
0
0
0
0
4
0
9
0
3
0
0
0
5
0
5
6
4
0
0
0
7
0
5
3
0
0
0
0
0
0
4
0
0
0
7
2
0
0
0
3
0
0
0
7
0
0
3
0
0
0
0
3
9
0
0
0
9
4
0
2
0
0
1
0
9
0
0
0
9
9
4
4
2
0
9
0
0
7
0
7
4
4
0
0
0
3
1
0
0
1
0
9
4
0
0
3
0
0
0
0
3
0
0
0
0
0
4
3
1
4
0
0
0
0
0
9
0
9
7
5
4
1
2
9
4
0
0
0
1
1
0
0
3
6
0
0
0
0
1
4
0
7
1
9
6
0
7
0
0
7
0
0
7
0
0
0
7
1
7
5
4
1
7
0
0
0
0
0
0
0
9
9
0
1
0
3
7
0
0
0
0
0
0
0
9
0
0
0
4
0
0
4
0
4
0
7
0
0
0
1
0
0
2
0
3
1
0
9
1
0
7
0
4
7
0
0
0
0
0
2
7
7
0
7
0
4
4
0
4
0
0
7
3
4
1
7
7
7
1
4
1
2
9
9
0
0
0
0
0
4
0
0
0
0
0
0
9
7
0
2
7
0
3
0
0
6
2
0
1
0
4
9
0
0
0
3
3
0
7
6
5
0
0
1
0
0
4
4
0
0
0
9
9
0
0
3
0
0
0
0
0
0
9
0
9
3
9
0
0
9
0
0
0
0
4
0
0
0
0
0
9
7
9
0
4
0
0
7
7
0
0
0
0
0
0
0
0
0
3
0
0
0
1
0
0
0
3
0
1
0
0
0
7
0
0
7
7
9
1
0
0
4
1
0
1
0
7
4
1
3
0
0
9
4
0
7
0
9
4
0
4
4
0
0
4
0
0
3
1
4
0
7
7
0
0
0
4
1
0
0
4
0
0
0
0
7
9
4
0
0
0
0
3
6
0
0
0
7
0
9
0
0
0
7
0
0
4
7
0
0
0
0
0
0
7
0
7
4
0
0
0
7
4
4
0
0
4
0
1
0
3
7
9
0
7
7
4
0
4
0
0
2
0
7
0
4
9
0
0
0
7
0
0
0
7
0
0
0
9
0
0
0
0
3
0
7
3
0
1
4
1
0
9
0
0
0
7
0
0
0
3
0
6
1
4
3
0
9
0
1
0
4
0
0
0
0
6
3
1
0
4
0
0
0
3
0
0
3
0
3
0
5
0
0
4
0
0
4
0
1
0
9
9
0
3
7
3
2
4
0
0
0
0
0
0
0
7
0
0
0
0
0
0
0
0
6
7
0
0
5
4
9
0
9
0
0
2
0
0
1
1
0
0
7
0
9
0
0
6
0
9
3
9
3
1
0
0
4
0
2
0
0
0
0
7
0
7
9
7
0
9
1
0
0
0
5
7
5
7
0
0
0
0
0
0
0
0
0
3
0
0
0
3
0
4
0
5
4
0
9
0
0
0
0
0
0
7
0
9
9
3
1
0
4
4
4
9
0
0
0
0
5
0
7
0
0
0
1
3
0
2
7
0
0
7
0
0
0
0
0
0
4
2
0
0
6
9
0
0
0
9
4
3
9
0
0
0
4
0
1
0
9
0
7
0
0
9
1
5
7
0
3
1
0
0
0
9
0
0
0
3
7
7
7
9
4
0
0
7
7
0
4
1
9
0
0
4
2
0
0
9
0
0
0
0
0
0
9
4
0
0
7
7
0
0
4
0
0
4
0
1
0
0
0
0
7
0
3
7
3
0
0
0
3
4
1
4
0
2
0
0
0
3
0
0
0
3
9
3
7
7
0
9
9
0
9
0
0
0
0
0
2
3
4
5
0
0
0
0
0
3
0
4
9
0
0
0
0
0
9
0
4
0
0
0
0
9
4
0
0
0
9
0
0
0
2
0
0
2
0
4
0
3
0
3
0
3
0
0
7
6
0
4
7
0
4
4
0
1
0
0
6
9
4
7
0
4
0
0
0
4
9
0
0
0
3
1
0
9
1
6
0
0
0
4
7
0
7
0
0
0
0
4
0
0
3
0
0
0
0
0
0
0
0
0
7
0
0
4
0
0
0
9
4
1
7
0
4
0
7
4
0
7
4
9
1
5
0
0
0
1
0
7
0
2
9
0
0
0
0
0
4
1
0
0
0
7
9
0
0
0
0
7
9
4
0
0
0
0
0
1
9
0
0
0
0
0
6
0
0
0
7
0
0
0
0
7
0
0
0
0
4
0
1
9
7
0
0
2
7
0
3
0
0
7
0
7
0
7
3
7
4
1
4
0
3
1
3
3
7
5
0
4
0
0
7
0
1
0
0
0
0
4
0
0
0
0
6
0
0
0
1
6
0
7
3
0
0
9
3
0
0
0
0
0
1
7
9
0
0
3
9
3
1
0
3
0
4
7
0
0
0
0
0
0
0
0
0
1
0
3
0
0
4
0
9
0
0
3
1
0
4
3
0
0
0
0
9
0
9
0
0
4
5
0
0
0
1
4
0
7
0
0
0
4
0
0
7
0
1
0
0
9
0
0
0
9
0
0
4
1
0
0
4
0
3
4
6
0
0
3
9
0
0
3
4
4
1
6
9
4
0
9
9
0
3
3
0
0
4
0
6
0
0
0
0
0
4
0
0
9
1
0
0
0
0
0
4
0
0
0
0
2
7
4
9
0
5
0
9
6
9
4
4
0
0
4
0
0
5
7
0
0
4
0
0
4
0
9
0
1
3
0
0
5
0
9
0
3
4
0
0
1
0
4
9
9
0
9
0
0
0
0
9
7
0
9
4
0
0
1
0
3
0
0
6
0
6
0
6
4
0
0
0
3
0
1
0
1
3
7
0
4
6
0
9
0
0
3
9
2
3
7
7
5
9
9
0
1
0
0
4
9
1
0
0
0
9
3
0
9
1
0
0
1
0
0
9
4
0
1
0
0
0
1
9
0
0
0
0
0
0
4
2
5
9
0
7
7
0
0
6
0
0
0
0
6
0
0
0
4
3
0
0
7
7
4
0
0
9
5
0
9
0
4
1
0
0
0
9
9
0
0
7
0
4
9
0
0
0
7
4
7
0
0
0
0
0
0
0
4
0
0
1
4
0
2
0
0
5
0
7
0
9
4
0
0
0
7
4
0
4
4
0
0
0
0
1
1
0
0
1
1
6
3
0
7
7
0
6
0
3
1
0
0
0
0
0
0
0
0
7
9
0
0
0
1
0
3
0
1
0
0
0
0
3
0
7
0
9
0
2
0
0
3
4
0
0
0
2
0
7
7
0
0
0
0
4
0
0
7
0
4
0
0
4
0
6
7
0
1
3
0
0
0
1
9
9
9
0
4
7
0
3
9
0
9
0
0
0
0
4
0
0
0
0
7
0
7
0
0
4
7
0
0
0
0
4
4
0
0
9
7
0
0
9
0
4
0
7
9
0
4
0
4
9
3
9
3
0
4
0
0
0
0
4
7
7
0
0
5
1
0
0
0
0
0
9
7
0
0
7
0
0
4
1
4
4
9
7
0
9
5
0
0
0
4
0
7
1
9
4
0
0
0
0
9
0
0
0
0
1
9
0
1
0
0
0
1
1
9
0
0
0
0
1
0
0
4
9
4
0
5
0
0
0
0
5
2
7
0
0
0
9
0
0
0
7
3
0
0
0
0
9
3
0
9
0
3
0
0
0
0
0
9
0
0
0
0
0
0
7
0
0
0
0
0
0
0
2
7
9
0
0
0
9
0
3
3
0
0
0
0
0
2
0
1
2
3
6
5
0
0
0
0
0
0
0
0
9
9
6
0
4
0
0
0
0
0
0
0
9
4
0
0
0
3
0
0
4
0
5
0
6
1
0
1
7
0
4
1
0
0
9
9
0
5
0
0
4
0
0
0
0
7
0
0
9
9
0
0
0
0
9
0
7
1
0
6
4
0
9
0
0
7
0
0
0
0
0
0
6
0
0
7
0
5
0
0
0
0
1
0
0
0
0
0
3
1
0
0
0
9
0
0
1
0
2
0
0
0
5
0
0
0
4
2
4
0
0
0
0
0
0
9
5
0
0
0
1
0
1
0
1
7
0
0
9
0
2
1
9
0
9
7
0
1
6
0
5
5
5
0
7
7
0
0
0
0
0
0
0
1
9
4
0
0
0
0
0
0
0
7
3
0
0
0
0
1
3
0
9
0
9
0
0
2
3
9
4
1
0
0
0
0
9
0
9
4
0
4
7
7
0
0
7
0
7
0
0
0
0
4
0
0
7
3
0
1
9
4
4
0
4
1
0
4
0
9
5
3
4
0
0
9
3
9
7
1
0
0
2
0
0
0
0
0
0
0
0
0
3
0
3
7
0
0
0
0
9
0
7
0
0
1
1
0
0
0
0
0
9
0
0
0
0
4
0
7
0
0
0
7
9
0
9
1
0
0
4
0
9
0
1
4
0
0
0
1
0
1
0
0
0
0
1
0
4
0
0
4
0
0
0
0
0
0
2
0
0
0
0
1
0
3
0
2
0
9
0
0
7
1
4
2
3
0
0
0
7
0
0
9
0
0
0
4
4
7
7
0
4
0
0
0
0
6
3
0
0
0
0
0
0
0
9
0
0
0
0
0
4
0
0
0
3
0
0
0
1
0
9
2
0
0
0
0
3
0
0
0
0
3
0
2
7
4
7
5
7
0
6
7
0
7
0
4
4
0
9
5
0
0
2
0
3
7
0
7
1
0
1
7
4
0
9
1
0
0
0
7
0
4
0
0
3
0
7
0
0
4
4
7
0
0
3
7
0
0
0
6
9
4
0
4
9
0
0
0
4
0
0
7
0
9
0
0
0
0
0
0
1