Okay, say you have a 6x6 grid. You have 36 marbles, in 6 colors, with 6 of each color. You want to arrange the marbles on the grid so that no row or column contains two marbles of the same color.(adsbygoogle = window.adsbygoogle || []).push({});

How many ways are there to do this?

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# Ombinatorix marbles in a grid

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