Here is another of our unique Butterfly Samurai puzzles! It consists of 20 (twenty) classic 9×9 Sudoku sub-puzzles. There are 5 groups of 4 sub-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.
Butterfly Samurai for Friday, August 25, 2006 – difficulty: THINKER
Enjoy!