15-6+1=
16-9+4=
15+1-8=
11+5+2=
7+7+3=
6-3+6=
1+9-1=
10-10+4=
3+7-10=
3+13-8=
2+13+2=
2+9+6=
14+3-6=
1+2+16=
16+2-6=
12-10+9=
7+1-7=
13-3-8=
19-10+7=
5-1+1=
16-2-1=
11+3-8=
6-5+11=
9+10-9=
6+12-2=
7-2+4=
4+6+1=
8-5+12=
9+3+7=
14+4-7=
1+8-5=
8-6+14=
6+9-9=
7-5-1=
13-3+8=
2+7+7=
6-1+3=
3+6-7=
13+4-8=
1+10-1=