C31231211113313121211113313331333132233132322331323133313231333112111   >>    C3123121111331312121111331333133313223313232233132313331323133311211   <<    C31231211113313121211113313331333132233132322331323133313231333112113   >>      C31231211113313121211113313331333132233132322331323133313231333112112   >>