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:
7770
1756
7449
7200
824
1282
5476
9403
45
5011
4960
1347
4649
9334
7066
5208
797
412
7023
362
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