You knew this was coming – surely the largest Killer Sudoku puzzle ever!
It’s a Butterfly Samurai Killer puzzle!
It consists of 20 (twenty) 9×9 Sudoku sub-puzzles. There are 5 groups of 4 puzzles. Each group of 4 is arranged Butterfly-style, and those 5 groups are arranged Samurai-style.
Please make sure you understand how the puzzles are arranged before attempting to solve the puzzle.
Enjoy!
Butterfly Killer Samurai.
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