C132233133112121111331333133313331333132332121211113313231311223321   >>    C13223313311212111133133313331333133313233212121111331323131122332   <<    C132233133112121111331333133313331333132332121211113313231311223323   >>      C132233133112121111331333133313331333132332121211113313231311223322   >>