Learn a Fact: 3 x 0

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

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