14-6=12-4 5+3=3+5
12-7=13-8 4+9=5+8
11-5=14-8 8+6=9+5
14-6=12-4
12-7=13-8
11-5=14-8
5+3=3+5
4+9=5+8
8+6=9+5
14-6=12-4 5+3=3+5
12-7=13-8 4+9=5+8
11-5=14-8 8+6=9+5
14-6=12-4
12-7=13-8
11-5=14-8
5+3=3+5
4+9=5+8
8+6=9+5