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2019-Nov-4: I've just put out Volumes 17 thru 20 of the Sudoku Puzzles. Happy Puzzling!

Intermediate Hexadecimal Sudoku (1-16), Volume 7

Each booklet contains a collection of eight different puzzles, 1-per-page, with a page of hints and a page of answers in the back. The booklets are ordered by ascending difficulty -- the puzzles in book 100 are much harder than the puzzles in book 1.

These puzzles are in PDF format and can be printed from your browser or the desktop. Problems printing puzzles? Try these work-arounds.

Out of intermediate puzzles? Just ask -- I'll make more!