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Safe Cracker
Thanks Security Gal

Safe cracker

A lockmaster needs your help in finding a three number combination.
Hints:
1  2  3 - none of these numbers are correct
4  5  6 - one correct number in proper sequence
6  1  2 - one correct number NOT in proper sequence
5  4  7 - one correct number NOT in proper sequence
8  4  9 - one correct number in proper sequence
.
See answer

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