Very Hard Calcudoku Puzzles 7x7 Book for Adults: 200 Very Hard Calcudoku For Advanced Players - Alena Gurin - Books - Independently Published - 9798704192114 - February 3, 2021
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Alena Gurin
Very Hard Calcudoku Puzzles 7x7 Book for Adults: 200 Very Hard Calcudoku For Advanced Players

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The book contains 200 Calcudoku puzzles 7x7 at the level of Very Hard. All riddles have only 1 solution. Each puzzle consists of a grid containing blocks surrounded by bold lines. The object is to fill all empty squares so that the numbers 1 to N (where N is the number of rows or columns in the grid) appear exactly once in each row and column and the numbers in each block produce the result shown in the top-left corner of the block according to the math operation appearing on the top of the grid. In Calcudoku a number may be used more than once in the same block.

Media Books     Paperback Book   (Book with soft cover and glued back)
Released February 3, 2021
ISBN13 9798704192114
Publishers Independently Published
Pages 122
Dimensions 152 × 229 × 8 mm   ·   194 g
Language English  

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