Crew operate from DOH to GRU (UTC -3). Then, they operate to UIO (UTC-4), before deadheading to MIA (UTC -4) and then back to Doha. From check-in at the start of the rotation in Doha until they checkout back in Doha, also known as Time Away From Base (TAFB), is 110 hours. What is the minimum rest they require in base before they can operate again?