Argyle Sudoku puzzle 4 - Extreme Argyle Sudoku

Posted on December 2, 2014

I always find it gratifying when I finally solve a Argyle Sudoku puzzle. I felt thrilled when I solved this Argyle Sudoku puzzle.

How to play Argyle Sudoku: The goal of Argyle Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains the numbers 1-9 exactly once. Furthermore, Argyle Sudoku contains additional diagonals. Every marked diagonal line contains each number not more than once.