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The Big Book of Logic Puzzles - Ripple Effect 400 Hard (Volume 50) Mykola Krylov
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The Big Book of Logic Puzzles - Ripple Effect 400 Hard (Volume 50)
Mykola Krylov
Ripple Effect (also known as "Hakyuu", "Hakyuu Kouka", "Hakyukoka", "Seismic") is a logic puzzle published by Nikoli. The puzzle consists of a rectangular grid of any size divided into polyomino sections called "rooms". Each room must be filled with each of the numbers from 1 to the number of cells in the room. If two identical numbers appear in the same row or column, at least that many cells with other numbers must separate them.
| Media | Books Paperback Book (Book with soft cover and glued back) |
| Released | April 16, 2017 |
| ISBN13 | 9781545396605 |
| Publishers | Createspace Independent Publishing Platf |
| Pages | 272 |
| Dimensions | 152 × 229 × 14 mm · 367 g |
| Language | English |
