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Clouds (180)

Other names: Radar, Rain Clouds

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 are given for you.
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).

Reference: WPF (1)

Examples:
WPF Puzzle GP 2014 - Round 3 (89)
WPF Puzzle GP 2017 - Round 7B (22)
WPF Puzzle GP 2019 - Round 4 (135)