Verkkothis book is intended for sudoku players of all levels: Verkkothis book is intended for sudoku players of all levels: Verkkothis book is intended for sudoku players of all levels: Verkkopdf | a new conceptual framework for solving sudoku puzzles with pure logic. | find, read and cite all the research you. Verkkothe hidden logic of sudoku provides the first systematic perspective of the logical foundations and of the symmetries of the popular game. These are fully exploited to.