53149619
9781728906522
Basford Holmes is the author of '400 + VARIETE Sudoku 9x9 Very Hard Cool mix: Holmes presents to your attention a collection of carefully tested Sudoku. (plus 250 sudoku and 250 ... and printed). (Variete classic sudoku)', published 2018 under ISBN 9781728906522 and ISBN 1728906520.
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