▲ 1 r/sudoku
Why is this weak link instead of strong?
Can someone please explain to me why r1c1 and r1c6 is considered a weak link and not a strong one? Is the 4 not both a bi-value and bi-local?
u/Alfalfa-Palooza — 1 day ago
Can someone please explain to me why r1c1 and r1c6 is considered a weak link and not a strong one? Is the 4 not both a bi-value and bi-local?