#Extra Large Print Jigsaw Sudoku X Puzzles: 100 Easy To Hard Irregular X Variant Su Doku Brain Teasers With Eye-Friendly Grids, One Puzzle Per Page, 60PT Font Size, Solutions Included, Vol 11 ★ Clear, Eye-Friendly & Easy-To-Read IrregularJigsaw Sudoku X Puzzles ★ #What's a "Jigsaw Sudoku X" Puzzle? Jigsaw Sudokus are like regular Sudoku puzzles, but instead of being divided into 3x3 blocks, they are divided into irregular jigsaw-like shapes. The "X" variant has an extra rule: the diagonals...