Learn a Fact: 1 x 7

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

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