C312312111133131121333133313113313331333133313331333133112331313221   >>    C31231211113313112133313331311331333133313331333133313311233131322   <<    C312312111133131121333133313113313331333133313331333133112331313223   >>      C312312111133131121333133313113313331333133313331333133112331313222   >>