Say I’ve an eleven by eleven chessboard, so there’s 121 squares complete. I take away the centermost piece so there’s 120 items. I wish to tile the chessboard with 1×4 or 4×1 items in a means that not one of the items I place grasp off of the board or overlap with each other. I additionally need your complete chessboard to be coated. Can or not it’s performed? I heard this drawback from a buddy and regarded up loads of domino tiling idea however cannot determine it out nonetheless.
Any solutions? Even incomplete solutions or ideas can be helpful.