Learn a Fact: 2 x 4

1
1
x  6
2
0
x  4
3
1
x  1
4
2
x  0
5
1
x  5
6
6
x  0
7
1
x  3
8
2
x  1
9
2
x  2
10
1
x  9
11
0
x  3
12
1
x  8
13
1
x  7
14
4
x  1
15
4
x  2
16
0
x  5
17
0
x  8
18
0
x  9
19
0
x  7
20
2
x  3

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2

x4


8

4

x2


8

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2
X 3
6
2
X 5
10