2 x 6 =
2 x 8 =
2 x 9 =
2 x 0 =
2 x 4 =
2 x 10 =
2 x 5 =
2 x 7 =
2 x 3 =
2 x 1 =
2 x 2 =
4
16
2
10
18
20
8
14
12
0
6
