30 Hard, 25 Brutal, 25 Diabolic and 20 Extreme puzzles, so get READY, SET, SOLVE
Big sudoku boards with plenty of room to write the solution candidates.LARGE PRINT.Guarantied proper SUDOKU puzzles with only one solution per puzzle.No guessing needed.Each puzzle increase in difficulty as you progress, which makes them challenging and fun to solve.Advanced strategies are needed for all puzzles. WARNING The EXTREME puzzles are best solved by using a computer, not a human brain.2-colored, big and easy to read solutions at the end of the book.Related Subjects
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