SSixy Sudoku WackySixy Sudoku Wackyde Peter RitmeesterEdiciones (1)Sixy Sudoku Wacky (2019)Independently Published · inglés · ISBN 9781071051931Más obras de Peter RitmeesterPPocket Posh Sixy Sudoku HardPocket Posh Sixy Sudoku HardPocket Posh Sixy Sudoku Easy to MediumNNew York Times Pocket Posh Brain Games Vol. 2New York Times Pocket Posh Brain Games Vol. 2