C31231211113313121211113313331333132233132322331323133313231313232321311   >>    C3123121111331312121111331333133313223313232233132313331323131323232131   <<    C31231211113313121211113313331333132233132322331323133313231313232321313   >>      C31231211113313121211113313331333132233132322331323133313231313232321312   >>