Puzzle No.301

This is a Trio Sudoku from the Indian Sudoku Championship - 2010.

PUZZLE NO.301: TRIO SUDOKU


SOLUTION:

Puzzle No.263

This is a Trio Sudoku made by Deb Mohanty.

PUZZLE NO.263: TRIO SUDOKU


SOLUTION:

Puzzle No.80

This is a Trio Sudoku from the Bulgarian Sudoku Championship - 2007.

PUZZLE NO.80: TRIO SUDOKU

SOLUTION:

Puzzle No.60

This is a Trio Sudoku

PUZZLE NO.60: TRIO SUDOKU


SOLUTION:

Rules of 'Trio Sudoku'

Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. Cells with circles must contain the digits 1, 2 and 3. Cells with squares must contain the 4, 5 and 6. Blank cells must contain the digits 7, 8 and 9.

EXAMPLE:


UNIQUE SOLUTION: