Hard Samurai Sudoku: 200 Perplexing Puzzles - Paperback

by Puzzle Warrior (Author)

Samurai Sudoku ("Gattai-5") is one of the sudoku variation with overlapping sudoku grids. The puzzle consists of five grids, one in the center and the other 4 overlapping each corner grid of the central one. This means that the numbers must be placed correctly for all the five puzzle squares.