suchen [und] SGB RO 61-1[0123456789][0123456789][0123456789]* or RO 61-2[01][0123456789][0123456789]* or RO 61-22[0123][0123456789]* or RO 61-224[0123456789]* or RO 61-025[0123456789]* or RO 61-02[6789][0123456789]* or RO 61-0[3456789][0123456789][0123456789]*