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4 digit strings

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4 digits to unlock a padlock 2020-08-28
From Sophie:
I have forgotten the order in what the numbers go for my padlock! The numbers are, 0125, they don't have any repeats like, 0001, 0002. What are all possible the combinations? Help!
Answered by Penny Nom.
Some strings of 4 digits 2020-06-26
From Judy:
I wrote previously and need more help. I need to generate a list of 4 digit. Numbers using 0-9 with no repetitions
I know that there is a 6 followed by a 2. Order does matter
Thank you in advance for your help.

Answered by Penny Nom.
 
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