What is the combination to Mule’s luggage?
? ? ? ?
3548 - One digit is right but in wrong place
4671 - Two digits are correct but only one in its place
3781 - Two digits are correct but both in wrong place
8397 - One digit is wrong and others in wrong place
5124 - All digits are wrong
2934 - One digit is right but in the wrong place
5136 - One digit is right and in its place
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