suchen [und] SGB RO 29-1[0123456789][0123456789][0123456789]* or RO 29-2[012345678][0123456789][0123456789]* or RO 29-29[012345678][0123456789]* or RO 29-299[0123456789]* or RO 29-0[123456789][0123456789][0123456789]* or RO 29-00[123456789][0123456789]* or RO 29-000[123456789]*