C312312111133131121333133313113313331333133313331333133313331333132313112223331   >>    C31231211113313112133313331311331333133313331333133313331333133313231311222333   <<    C312312111133131121333133313113313331333133313331333133313331333132313112223333   >>      C312312111133131121333133313113313331333133313331333133313331333132313112223332   >>