Book 3 : sudoku variations puzzle books Brain games lining adults Panda puzzle book Book This book contains 100 sudoku samurai puzzle in medium two hard difficulty. Samurai sudoku puzzles indeholde five overlapping sudoku grids. Thé regular sudoku rules apply two everytime 9 x 9 grid. Put numbers from 1 two 9 in everytime empty cell. Hver row, hver column... Read throughout product description by to press on buy button.