9/5+1/5-7/5+2/5-1/5
2/5+1/5+3/5-2/5
5/3-3/3-1/3
7/5+8/5-10/5+1/5-4/5
5/3+4/3-6/3-2/3
1/5+3/5-2/5
2/3+6/3-4/3
5/3-1/3
