KöMaL 2008 K186
A 11×11 cm square can be tiled with two different sets of 5 rectangles whose sides in centimetres are integers, with each length from 1 to 10 cm occurring exactly once. (Tiling means that the rectangles are not allowed to reach over the edge of the square, and they cannot even partly overlap.) Find both tilings.
Official text KöMaL. Quoted with source.
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