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$RENAME m20BIG1.BDF BDFm20BIG1.DAT
$RENAME m20BIG2.BDF BDFm20BIG2.DAT
$RENAME m20BIG4.BDF BDFm20BIG4.DAT
$RENAME m20BIG8.BDF BDFm20BIG8.DAT
$RENAME m20LIT0.BDF BDFm20LIT0.DAT
$RENAME m20LIT1.BDF BDFm20LIT1.DAT
$RENAME m20LIT2.BDF BDFm20LIT2.DAT
$RENAME m20LIT4.BDF BDFm20LIT4.DAT
$RENAME m20LIT8.BDF BDFm20LIT8.DAT