Instruction
Locate some “clouds” in the grid. A cloud is a rectangular-shaped (possibly square) group of cells; each cloud must have a height of at least two cells and a width of at least two cells. Clouds do not touch each other, not even diagonally (that is, if two cloud pieces are in adjacent cells, they must be part of the same cloud). The contents of some cells may be given for you (“X” if no cloud can be in that cell).
Each number to the left and top of the grid reveals the number of cloud pieces that must be located in that row or column (including any that might be given for you).
Example
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