C2221333133313331311233132313331333133313331333133313331333131122223231   >>    C222133313331333131123313231333133313331333133313331333133313112222323   <<    C2221333133313331311233132313331333133313331333133313331333131122223233   >>      C2221333133313331311233132313331333133313331333133313331333131122223232   >>