Learn a Fact: 3 x 7

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

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