C2221333133313331311233132313331333133313331322133313331311221132123123231   >>    C222133313331333131123313231333133313331333132213331333131122113212312323   <<    C2221333133313331311233132313331333133313331322133313331311221132123123233   >>      C2221333133313331311233132313331333133313331322133313331311221132123123232   >>