PUZZLELIFE SUDOKU L7&8 MAGAZINE NO 120

Puzzlelife Sudoku Levels 7&8 comes with a warning- these puzzles aren't for the faint of heart. Every monthly issue contains 89 fiendishly perplexing puzzles which are perfect for both intermediate puzzlers seeking a challenge and ambitious puzzle pros who may have bitten off a bit more than they could chew with levels 9&10. Puzzles vary in grading from difficult to very difficult, so why not back yourself if you think you're smart enough!