AMC 10 Step by Step
2021 AMC Fall 10AProblem 24P21-25~10 minPrint

Each of the 1212 edges of a cube is labeled 00 or 11 . Two labelings are considered different even if one can be obtained from the other by a sequence of one or more rotations and/or reflections. For how many such labelings is the sum of the labels on the edges of each of the 66 faces of the cube equal to 22 ?

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Problem © Mathematical Association of America (MAA), American Mathematics Competitions. Reproduced for non-commercial educational use. Solution and commentary are original to this site.