C31231211113313121211113313331323133313232212111133133322131121   >>    C3123121111331312121111331333132313331323221211113313332213112   <<    C31231211113313121211113313331323133313232212111133133322131123   >>      C31231211113313121211113313331323133313232212111133133322131122   >>