100 Samurai Puzzles

100 different Samurai puzzles in different degrees of difficulty. The puzzles may be freely distributed or used for publication. Samurai are extra big Sudoku puzzles, therefor the rules for solving a Samurai are the same: Each row, column and region must contain the numerals from 1 through 9 exactly once. The Puzzles are in Adobe PDF file format and have not to be installed. You can easily print and then work them out with pencil and paper.