C312312111133131121333133313113313331333133313331333133313331333132311323121   >>    C31231211113313112133313331311331333133313331333133313331333133313231132312   <<    C312312111133131121333133313113313331333133313331333133313331333132311323123   >>      C312312111133131121333133313113313331333133313331333133313331333132311323122   >>