suchen [und] SGB OA 25-750[0123456789]* or OA 25-75[123456789][0123456789]* or OA 25-7[6789][0123456789][0123456789]* or OA 25-8[0123456789][0123456789][0123456789]* or OA 25-9[012345678][0123456789][0123456789]* or OA 25-99[012345678][0123456789]* or OA 25-999[012345678]*