I just want to say: stay strong... Be prepared to withstand...
Difficulty : ******
Tested, logical.
Don't require any specific method. You'll need to be very very very focused.
I advice you to pay attention to how many cells still have to be blacken in the bottom right corner. That can help you to place the 3 in C22.
Good blackenage.
Du grand art hanjiesque...
Bravo!!!
Bravo.
Pierre