C133323133112111133133313331333133313223331333133313231333123321   >>    C13332313311211113313331333133313331322333133313331323133312332   <<    C133323133112111133133313331333133313223331333133313231333123323   >>      C133323133112111133133313331333133313223331333133313231333123322   >>