The logic here is
54 - 41 = 13
72 - 59 = 13
77 - 54 = 23
79 - 66 = 13
In all number pairs except 54 - 77, the difference between the numbers is 13.
$$\therefore\ $$54 - 77 is the odd number pair among the given number pairs.
Hence, the correct answer is Option C
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