Puzzle No.273

This is a Sum Frame Sudoku from the Indian Sudoku Championship - 2010.

PUZZLE NO.273: SUM FRAME SUDOKU


SOLUTION:

Puzzle No.269

This is a Sum Frame Sudoku from the Indian Sudoku Championship - 2010.

PUZZLE NO.269: SUM FRAME SUDOKU


SOLUTION:

Puzzle No.259

This is a Sum Frame Sudoku made by Deb Mohanty.

PUZZLE NO.259: SUM FRAME SUDOKU


SOLUTION:

Puzzle No.96

This is a Sum Frame Sudoku.

PUZZLE NO.96: SUM FRAME SUDOKU

SOLUTION:

Puzzle No.91

This is a Sum Frame Sudoku made by Ritesh Gupta and Hitesh Gupta.

PUZZLE NO.91: SUM FRAME SUDOKU

SOLUTION:

Puzzle No.81

This is a Sum Frame Sudoku from the Bulgarian Sudoku Championship - 2007.

PUZZLE NO.81: SUM FRAME SUDOKU

SOLUTION:

Puzzle No.72

This is a Sum Frame Sudoku

PUZZLE NO.72: SUM FRAME SUDOKU

SOLUTION:

Puzzle No.66

This is a Sum Frame Sudoku from the Japanese Sudoku Championship - 2007.

PUZZLE NO.66: SUM FRAME SUDOKU


SOLUTION:

Rules of 'Sum Frame Sudoku'

Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. Numbers in the outside frame equal the sum of the first three numbers in the corresponding row or column in the given direction.

EXAMPLE:


UNIQUE SOLUTION: