This Puzzle was created by Ritesh Gupta and Hitesh Gupta for Indian Sudoku Mock Tests. This puzzle type is now very common and has appeared in many World Sudoku Championships of now. Untouchable Sudoku is also known with name No Touch Sudoku.

I am reposting this Untouchable Sudoku as 6th Sudoku in Guest Authors Sudoku Contribution

**Rules of Untouchable Sudoku**
Place a digit from 1 to 7 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the irregularly shaped regions. The same digits can't touch in the corners.

Untouchable Sudoku (Guest Authors Sudoku #6) |

Previous Guest League Sudoku: Skyscrapers Sudoku (Guest Authors Sudoku #5)

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