C133323133112111133133313331333133313231333133313331333133313233213223111   >>    C13332313311211113313331333133313331323133313331333133313331323321322311   <<    C133323133112111133133313331333133313231333133313331333133313233213223113   >>      C133323133112111133133313331333133313231333133313331333133313233213223112   >>