C133323133112111133133313331333133313223331333133313331321123123313131   >>    C13332313311211113313331333133313331322333133313331333132112312331313   <<    C133323133112111133133313331333133313223331333133313331321123123313133   >>      C133323133112111133133313331333133313223331333133313331321123123313132   >>