<p>Swirldoku puzzles are a new twist on Sudoku - literally! By bending the rows, but not the rules, these puzzles offer 33% extra challenge over a standard Sudoku grid. But you have to be willing to think outside the familiar box of 81 squares. In Swirldoku puzzles, the rows and columns are graceful arcs, and while the boxes still have four corners, they aren't exactly square. Yet all the rules of Sudoku still apply - you need to carefully place the numbers 1 through 9 so that every row, column, and box contains one of each number. If you know how to solve Sudoku, you already know how to solve Swirldoku. The same strategies apply, so sharpen your pencil and get ready for some fun!</p>

Swirldoku

Humor & Entertainment

Mulligan, Michael

Puzzles & Games

PuzzMill, LLC

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Books by PuzzMill, LLC

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Swirldoku