You can enter the sudoku here: Learn more

 

Enter a Sudoku is easy. Just type every number from the sudoku, start TOP-LEFT then each row from left to right.

You see the example here on screen. For every empty square enter a 0. You can add spaces for your convenience they are not used by Sudoku trainer.

Shows where a number MUST be true, when two adjacent rectangles have two rows or columns set.