C312312111133131121333133313113313331333133313331333133313331333132312313321   >>    C31231211113313112133313331311331333133313331333133313331333133313231231332   <<    C312312111133131121333133313113313331333133313331333133313331333132312313323   >>      C312312111133131121333133313113313331333133313331333133313331333132312313322   >>