Heavy Dots

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Rules[edit]

Heavy Dots Example.png Heavy Dots Example Solution.png

Draw vertical/horizontal lines along the dashed lines to divide the grid into regions. A region may contain at most one number, equal to the area of the region. No region may cover a 2×2 area. Some dots are “heavy” and have 3 or 4 lines connected to them. Black dots indicate heavy dots with exactly three lines; white dots indicate heavy dots with exactly four lines. Not all heavy dots are given, but there can be no heavy dots one cell-edge away from the indicated ones.

(Rules and example from WPC 2017 IB)

History of the puzzle[edit]

Invented by Prasanna Seshadri (India). The first puzzle appeared on The Art of Puzzles blog in May 2014.[1]

Appearances in the past WPCs[edit]

References[edit]