Thursday

2 min 56 sec

4 min 51 sec

2min 00 sec

3 min 33 sec

4 min 12 sec

6 min 03 sec

I was thrown for more than 2-3 minutes from the web although i solved the puzzle and wanted to send the solution, it so the time is not 12 minutes but 10 minutes at lowest least

And from simple sudoku, a program on my computer, a solved hard sudoku