Anti-King Sudoku puzzle 108 - Extreme Anti-King Sudoku 15x15

Posted on October 8, 2017

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

How to play Anti-King Sudoku: The goal of Anti-King Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. Furthermore equal numbers can be neither orthogonally nor diagonally adjacent.