Createspace Independent Publishing Platform 16x16 Super Sudoku: Hard 16x16 Full-page Number Sudoku, Vol. 1

Each edition of the Hard 16x16 Number Sudoku series contains 60 computer-generated Sudoku with 16x16 fields. The 16x16 Sudoku puzzles are asymmetric Sudoku with 100 predefined numbers from 1 to 16; the level of difficulty is