C31231211113313121211113313331333132233132322331323133313231323232231111   >>    C3123121111331312121111331333133313223313232233132313331323132323223111   <<    C31231211113313121211113313331333132233132322331323133313231323232231113   >>      C31231211113313121211113313331333132233132322331323133313231323232231112   >>