C132233133112121111331333133313331333132332121211113313231311221   >>    C13223313311212111133133313331333133313233212121111331323131122   <<    C132233133112121111331333133313331333132332121211113313231311223   >>      C132233133112121111331333133313331333132332121211113313231311222   >>