16-4+1=
1+7+7=
10-10+4=
3+11-3=
12+5-9=
3+4-3=
3+7+2=
11+2+1=
2-2+9=
8-2+4=
11+6+1=
1+10-10=
17-9-5=
7-4+6=
2-1+10=
16-9-3=
7-4+7=
3+12-9=
16-4-6=
2+6-5=
18-10+9=
6+1+3=
5-4+14=
11-6+3=
17-6-7=
15-2+6=
3+9+4=
18-7-9=
14-4-10=
4+7-3=
7-6+5=
9-8+16=
6+9-10=
12-9+14=
11-4-3=
3+3+11=
16-6+5=
10-8+3=
14-10+5=
17-4+6=