Aperçu gratuit du livre 200 Strong Calcudoku and 200 Jigsaw Sudoku. Medium and hard levels.: 9x9 Calcudoku complicated version amateur - professional levels + 9x9 Jigsaw Even - Odd puzzles X diagonal sudoku middle - difficult levels. (plus 500 puzzles that can be printed).
200 Strong Calcudoku and 200 Jigsaw Sudoku. Medium and hard levels.: 9x9 Calcudoku complicated version amateur - professional levels + 9x9 Jigsaw Even - Odd puzzles X diagonal sudoku middle - difficult levels. (plus 500 puzzles that can be printed).