C133323133112111133133313331333133313223331333133313331312121112131   >>    C13332313311211113313331333133313331322333133313331333131212111213   <<    C133323133112111133133313331333133313223331333133313331312121112133   >>      C133323133112111133133313331333133313223331333133313331312121112132   >>