13-7+13=
18-2-9=
5+1+6=
5+1+13=
1+11+7=
6+2+2=
4-4+18=
12-2-10=
13-6-7=
8+5-3=
5-5+3=
2+4-3=
2+13-2=
16+3-2=
12+2-8=
6+10-4=
6+11-10=
5-1+12=
5+2+7=
13-8+14=
14-4+9=
19-5-5=
9+4+6=
5+9-3=
15-3+7=
7-4+16=
9-5+10=
4+11+4=
2+6+1=
12-5+5=
7+6+2=
10-1+10=
4-2+4=
11-3+6=
2+14+2=
10+4+3=
3+3-1=
19-1-4=
18-8+8=
3+8-10=