Search This Blog

Showing posts with label Equal Sum Sudoku. Show all posts
Showing posts with label Equal Sum Sudoku. Show all posts

Puzzle No.67

This is an Equal Sum Sudoku from the Japanese Sudoku Championship - 2007.

PUZZLE NO.67: EQUAL SUM SUDOKU


SOLUTION:

Rules of 'Equal Sum Sudoku'

Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. The given crosses mark groups of four cells in which two pairs of diagonally opposite numbers add up to the same sum.

EXAMPLE:


UNIQUE SOLUTION: