C2221333133313331311233132313331333133313111112111133133313233213331111   >>    C222133313331333131123313231333133313331311111211113313331323321333111   <<    C2221333133313331311233132313331333133313111112111133133313233213331113   >>      C2221333133313331311233132313331333133313111112111133133313233213331112   >>