COMMENT ⊗ VALID 00002 PAGES C REC PAGE DESCRIPTION C00001 00001 C00002 00002 COPY B1←FOR21.DAT,FOR21.DAT,FOR21.DAT,FOR21.DAT,FOR21.DAT,FOR21.DAT,FOR21.DAT ↔ET B1/N↔ C00003 ENDMK C⊗; COPY B1←FOR21.DAT,FOR21.DAT,FOR21.DAT,FOR21.DAT,FOR21.DAT,FOR21.DAT,FOR21.DAT ↔ET B1/N↔