1
7X0=
2
7X9=
3
7X2=
4
7X5=
5
7X3=
6
7X7=
7
7X6=
8
7X10=
9
7X1=
10
7X4=
11
7X8=
12
21
13
28
14
14
15
49
16
63
17
35
18