C2221333133313331311233132313331333133313331333133313331333112113123231   >>    C222133313331333131123313231333133313331333133313331333133311211312323   <<    C2221333133313331311233132313331333133313331333133313331333112113123233   >>      C2221333133313331311233132313331333133313331333133313331333112113123232   >>