2/7- 2/7
12/15 - 5/15
5/12-3/12
5/11- 2/11
3/9+2/9
5/10 + 5/10
3/8+4/8
4/5-2/5
2/5 + 2/5
4/20+5/20+7/20
4/5
16/20
1
7/8
3/11
2/12
2/5
5/9
7/15
0
