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Sudoku Variants Puzzle Book Fumiko Kawai
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Sudoku Variants Puzzle Book
Fumiko Kawai
Frame Sudoku (also known as "Outside Sum Sudoku") consists of an empty grid. Numbers in the outside frame equal the sum of the first three numbers in the corresponding row or column in the given direction.
| Media | Books Paperback Book (Book with soft cover and glued back) |
| Released | May 29, 2018 |
| ISBN13 | 9781983026201 |
| Pages | 116 |
| Dimensions | 152 × 229 × 7 mm · 181 g |
| Language | English |