C312312111133131212111133133313231333133313331331123232133313332111   >>    C31231211113313121211113313331323133313331333133112323213331333211   <<    C312312111133131212111133133313231333133313331331123232133313332113   >>      C312312111133131212111133133313231333133313331331123232133313332112   >>