Medium Sudoku #881148 https://www.livesudoku.com/en/sudoku/medium/881148

Evil Sudoku #1735449 https://www.livesudoku.com/en/sudoku/evil/1735449

Beginners Sudoku #210716 https://www.livesudoku.com/en/sudoku/easy/210716

Evil Sudoku #1829400 https://www.livesudoku.com/en/sudoku/evil/1829400

Hard Sudoku #1005781 https://www.livesudoku.com/en/sudoku/hard/1005781

Beginners Sudoku #64918 https://www.livesudoku.com/en/sudoku/easy/64918

Hard Sudoku #1268876 https://www.livesudoku.com/en/sudoku/hard/1268876

Beginners Sudoku #70560 https://www.livesudoku.com/en/sudoku/easy/70560

Beginners Sudoku #101764 https://www.livesudoku.com/en/sudoku/easy/101764

Medium Sudoku #978647 https://www.livesudoku.com/en/sudoku/medium/978647