Brain Exercises For Memory - Sandra Berry - Books -  - 9781717864864 - July 22, 2018
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Brain Exercises For Memory


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Eulero ("Graeco-Latin Square", "Euler Square") is a puzzle with letters and digits. The goal is to fill in the grid with symbols according to the following rules:
- Each cell contains one letter and one digit.
- Every row and every column contains each letter and each digit exactly once.
- No two cells contain the same pair of symbols.

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Media Books     Paperback Book   (Book with soft cover and glued back)
Released July 22, 2018
ISBN13 9781717864864
Pages 116
Dimensions 152 × 229 × 7 mm   ·   181 g
Language English