Beginners Sudoku #270457 https://www.livesudoku.com/en/sudoku/easy/270457

Beginners Sudoku #419028 https://www.livesudoku.com/en/sudoku/easy/419028

Beginners Sudoku #164481 https://www.livesudoku.com/en/sudoku/easy/164481

Medium Sudoku #634059 https://www.livesudoku.com/en/sudoku/medium/634059

Hard Sudoku #1406778 https://www.livesudoku.com/en/sudoku/hard/1406778

Medium Sudoku #751538 https://www.livesudoku.com/en/sudoku/medium/751538

Beginners Sudoku #363343 https://www.livesudoku.com/en/sudoku/easy/363343

Medium Sudoku #794402 https://www.livesudoku.com/en/sudoku/medium/794402

Evil Sudoku #1874993 https://www.livesudoku.com/en/sudoku/evil/1874993

Beginners Sudoku #47224 https://www.livesudoku.com/en/sudoku/easy/47224