Learn a Fact: 3 x 0

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

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