5 SIMPLE STATEMENTS ABOUT SUDOKU HARD - HARD SUDOKU EXPLAINED

Quads tend to be rarer, and they’re significantly less handy in a method since they don’t Allow you to narrow down a large number of candidates all of sudden, but if you spot a single, it’s well worth investigating. Fixing one squares may flip quads into triples or pairs, so don’t forget about these!If you want to enter a pencil mark, simpl