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A
In the explanation, it says the answer is directions x 2-D grids per direction x squares per 2-d grids. What does is mean by 2-d grids per direction?
R
@thoughtfulmongoose I think the reason for this is because when you take the smaller one from each line (62 to 25) and add the remaining (24-1) the subset becomes {1,2,...62}, hence the 62.
