C22213331333133313112331323133313331333133313222313331311213111   >>    C2221333133313331311233132313331333133313331322231333131121311   <<    C22213331333133313112331323133313331333133313222313331311213113   >>      C22213331333133313112331323133313331333133313222313331311213112   >>