RULES : Classic Sudoku rules apply. The given X's mark groups of four cells in which two pairs of diagonally opposite digits add up to the same sum. Not all X's are marked.
RULES : Classic Sudoku rules apply. The given Xs mark groups of four cells in which two pairs of diagonally opposite numbers add upto the same sum. Not all Xs are marked.
Dear Friends. My book Challenging Sudoku: Vol # 1 is now available on Playstore on Puzzverse App. The book is available to purchase in thr...