Sudoku Master contains 10,000 challenging to incredibly difficult Sudoku puzzles. Clue numbers range from 21 in the beginning all the way to the dreaded 11 clue puzzles at the end.We've crammed the content into 416 pages each with 24 puzzles (plus of course, 16 puzzles on page 417 to make 10,000!). We don't expect you to pay for white space.
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