C31231211113313121211113313331323133313232212111133131133132313233213213111   >>    C3123121111331312121111331333132313331323221211113313113313231323321321311   <<    C31231211113313121211113313331323133313232212111133131133132313233213213113   >>      C31231211113313121211113313331323133313232212111133131133132313233213213112   >>