C22213331333133313112331323133313331333133313222313331333133313231123311232311   >>    C2221333133313331311233132313331333133313331322231333133313331323112331123231   <<    C22213331333133313112331323133313331333133313222313331333133313231123311232313   >>      C22213331333133313112331323133313331333133313222313331333133313231123311232312   >>