C31231211111133131211113313331333132233133313331333133313113313331323312111   >>    C3123121111113313121111331333133313223313331333133313331311331333132331211   <<    C31231211111133131211113313331333132233133313331333133313113313331323312113   >>      C31231211111133131211113313331333132233133313331333133313113313331323312112   >>