C133323133112111133133313331333133313223331333133313231333133323211   >>    C13332313311211113313331333133313331322333133313331323133313332321   <<    C133323133112111133133313331333133313223331333133313231333133323213   >>      C133323133112111133133313331333133313223331333133313231333133323212   >>