Modulo

All you asked for was a quiet night of mind-numbing puzzle solving. Just a few simple math problems to ease your mind into the shallows of slumber. But this cursed puzzle keeps giving you numbers for blocks you havent solved yet. And your friends score keeps climbing, while yours has stumbled backwards thanks to that wayward misplaced digit from a minute ago. Why did you agree to a base-16 challenge? Youre an upstanding model citizen, a firm believer in the banality of decimals. Hexadecimals are...