Rand al'Thor♦ 120k3030 gold badges337337 silver badges657657 bronze badges $endgroup$ thirteen $begingroup$ Although I value the answer (+1), this appears to be far more like an educated guess than logic. $endgroup$ infinitezeroIf you see a 12x12 Tremendous hard puzzle, your 1st imagined might be, “Wow, that’s many squares!” And also you’