Medium Sudoku #649150 https://www.livesudoku.com/en/sudoku/medium/649150

Beginners Sudoku #274650 https://www.livesudoku.com/en/sudoku/easy/274650

Medium Sudoku #886528 https://www.livesudoku.com/en/sudoku/medium/886528

Medium Sudoku #786425 https://www.livesudoku.com/en/sudoku/medium/786425

Evil Sudoku #1969634 https://www.livesudoku.com/en/sudoku/evil/1969634

Hard Sudoku #1282870 https://www.livesudoku.com/en/sudoku/hard/1282870

Medium Sudoku #738327 https://www.livesudoku.com/en/sudoku/medium/738327

Medium Sudoku #673835 https://www.livesudoku.com/en/sudoku/medium/673835

Hard Sudoku #1287173 https://www.livesudoku.com/en/sudoku/hard/1287173

Beginners Sudoku #387953 https://www.livesudoku.com/en/sudoku/easy/387953