Thursday, April 28, 2022

Puzzlerium Tour: Encroaching Islands








Rules: Shade some cells so that all shaded cells are connected and no 2×2 square is completely shaded. Each group of connected unshaded cells forms an island; islands can touch each other diagonally. 

Some rectangular areas are outlined (some grid borders also overlap with the outlines). Borders of two areas do not overlap with each other. Each given rectangular area contains two islands of identical size and shape. Numbers given in the top-left corner of the parent area indicate the size of the twin islands contained in it. Islands do not use cells that belong to none of the outlined areas. Cells that are common to two or more areas can be used by islands from any of those areas. 

About: “ Encroaching Islands” was invented by Anurag Sahay.

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