While I was setting this puzzle, I discovered some interesting principals that all Anti-King/Knight 9x9 sudokus must abide by. If you already know these tricks, this may be a very easy puzzle for you. If not, I hope you enjoy discovering them as I did. Happy solving!
Sudoku: Place the digits 1-9 once each into every row, column, and 3x3 box.
Anti-King/Knight: Cells separated by a chess King's or Knight's move must contain different digits.
Anti-XV: Adjacent digits may never sum to 5 or 10.
Thermometers: Digits increase along grey lines from the circle.
There must be a 3 in a corner of the puzzle.
Solution code: Column 5 from top to bottom
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