This classic puzzle by Theo Geerinck appeared in july 2000 in CFF (Cubism For Fun) no. 22.
If you make holes in a square tile and use all combinations of the
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vertices and the centre; you get in total eleven tiles with thirty holes. Then add ten tubes fitting the holes with a length of the thickness of three tiles.
Goal of this puzzle is to pack all Tiles & Tubes in the box, with at least one tube intersecting each split between tiles and no tubes touching.
