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Rules of 'Triple Sum Sudoku'

Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. Each row is divided into 3 parts. The 1st part is a 4 digit number, the 2nd part (shaded) is a 3 digit number and the 3rd part is a 2 digit number. The sum of these three numbers is given outside the grid in the corresponding row.

EXAMPLE:

UNIQUE SOLUTION:

2 comments:

Rohan Rao said...

This sudoku requires a lot of mathematical thinking!

Its a very interesting sudoku.

Unknown said...

Is it possible to solve this without a computer?