1+1
2
5+5
10
6+7
13
2+9
11
13+15
28
20+40
60
32+43
75
77+46
143
76+32
108
20+70
90
3x4
12
5X9
45
4X5
20
9X2
18
6X7
42
12X1
12X2
24
12X3
36
12X4
48
12X5
12X6
72
12x7
84
12X8
96
12x11
132
11 or 3