GETTING MY SUDOKU HARD - HARD SUDOKU TO WORK

Quads tend to be rarer, they usually’re less beneficial in a means due to the fact they don’t Permit you to slim down numerous candidates all at once, but if you spot just one, it’s worth investigating. Solving solitary squares may turn quads into triples or pairs, so don’t forget about these!If you need to enter a pencil mark, simply click