2-1=
1
4-1=
3
0+2=
2
2-2=
0
3-1=
2
5-2=
3
3-0=
3
5-1 =
4
5-3=
2
4+1=
5
5-4=
1
4-3=
1
4-4=
0
5-0=
5
3-3=
0
4-2=
2
4-0=
4
3-2=
1
2+1=
3
2+2=
4
3+2=
5