C312312111133131212111133133313231333133313331323221211113332111   >>    C31231211113313121211113313331323133313331333132322121111333211   <<    C312312111133131212111133133313231333133313331323221211113332113   >>      C312312111133131212111133133313231333133313331323221211113332112   >>