Puzzle No.191

This is an Untouchable Sudoku made by Ritesh Gupta and Hitesh Gupta.

PUZZLE NO.191: UNTOUCHABLE SUDOKU


SOLUTION:

Puzzle No.182

This is an Untouchable Sudoku.

PUZZLE NO.182: UNTOUCHABLE SUDOKU


UNIQUE SOLUTION:

Puzzle No.155

This is an Untouchable Sudoku from Sudokucup 1 made by Karel Tesar.

PUZZLE NO.155: UNTOUCHABLE SUDOKU

SOLUTION:

Puzzle No.150

Puzzle: Untouchable Sudoku
Author: Rohan Rao

EXAMPLE:


SOLUTION:

Rules of 'Untouchable Sudoku'

Place numbers in the grid such that each row, column and thick-outlined region contain the numbers 1 to 7. Same numbers cannot touch each other even diagonally.

EXAMPLE:


UNIQUE SOLUTION: