Pitstop Doku
10 primary works
Book 2
Book 3
Book 4
Book 5
Classic Sudoku 12 X 12 and His 200 Friends - X Diagonal - Very Hard -
by Andrii Pitenko
Book 6
Book 7
Book 8
Book 9
Book 11
Book 12
10 primary works
Book 2
Book 3
Book 4
Book 5
Book 6
Book 7
Book 8
Book 9
Book 11
Book 12