Brain Logic Puzzles: Nurikabe Puzzles - 100 Large Print Puzzles
Jeff Heldt
Sold by THE SAINT BOOKSTORE, Southport, United Kingdom
AbeBooks Seller since 14 June 2006
New - Soft cover
Condition: New
Quantity: Over 20 available
Add to basketSold by THE SAINT BOOKSTORE, Southport, United Kingdom
AbeBooks Seller since 14 June 2006
Condition: New
Quantity: Over 20 available
Add to basketThis item is printed on demand. New copy - Usually dispatched within 5-9 working days 181.
Seller Inventory # C9781718035003
Nurikabe is a logic puzzle ("nurikabe" in Japanese folklore is an invisible wall that blocks roads and upon which delays in foot travel are blamed; other names for the puzzle: "Cell Structure", "Islands in the Stream"). The puzzle is played on a grid, typically rectangular with no standard size. Some cells of the grid start containing numbers.
The goal is to determine whether each of the cells of the grid is "black" or "white" according to the following rules:
- All of the black cells must be connected.
- Each numbered cell must be part of a white island of connected white cells.
- Each island must have the same number of white cells as the number it contains (including the numbered cell).
- Two islands may not be connected.
- There cannot be any 2 x 2 blocks of black cells.
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