suchen [und] SGB KS 38-[12][0123456789][0123456789][0123456789]* or KS 38-3[0123][0123456789][0123456789]* or KS 38-34[012345678][0123456789]* or KS 38-349[0123456789]* or KS 38-0[123456789][0123456789][0123456789]* or KS 38-00[123456789][0123456789]* or KS 38-000[123456789]*