C31231211111133131211113313331333133313331323223313331333133313331311211111   >>    C3123121111113313121111331333133313331333132322331333133313331333131121111   <<    C31231211111133131211113313331333133313331323223313331333133313331311211113   >>      C31231211111133131211113313331333133313331323223313331333133313331311211112   >>