C31231211113313121211113313331323133313232212111133131133131323221   >>    C3123121111331312121111331333132313331323221211113313113313132322   <<    C31231211113313121211113313331323133313232212111133131133131323223   >>      C31231211113313121211113313331323133313232212111133131133131323222   >>