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
600
700
800
900
1000
2000
3000
4000
5000
6000
7000
8000
9000
Random:
431
781
5275
5496
6697
5592
9251
7313
8828
5158
1032
6086
5164
8452
9987
9240
9521
5106
3238
1090
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