Learn a Fact: 3 x 7

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

Fact Navigator

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3

x7


21

7

x3


21

Move on to other facts:
3
X 6
18
3
X 8
24