5+9= 13-9= 13-8= 14-7=
12-6= 14-5= 9+3= 9+8=
7+8= 6+7= 4+9= 11-9=
12-8= 16-7= 13-6= 15-5=
14-9= 15-8= 17-10= 12-3=
11-4= 11-3= 12-4= 13-4=
11-2= 14-10= 4+8= 5+7=
2+9= 7+5= 8+6= 14-6=
12-5= 11-5= 13-8= 15-6=
7+7= 9+9= 9+6= 8+5=
8+9= 11-5= 12-6= 14-9=
16-9= 12-3= 16-6= 14-7=
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