Substraction tables
Common:
1
2
3
4
5
6
7
8
9
10
20
30
40
50
60
70
80
90
100
200
300
400
500
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800
900
1000
2000
3000
4000
5000
6000
7000
8000
9000
Random:
6857
1782
5067
2685
1547
5456
7333
909
8731
3722
7179
4338
8190
662
5296
680
9490
3666
9755
8940
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