C131121333133313233213331333133313331333133313223313223313331333131131233131   >>    C13112133313331323321333133313331333133313331322331322331333133313113123313   <<    C131121333133313233213331333133313331333133313223313223313331333131131233133   >>      C131121333133313233213331333133313331333133313223313223313331333131131233132   >>