// Set up the FSE tables used to decode the sequence codes.

	var err error
	off, err = r.setSeqTable(data, off, seqLiteral, (symMode>>6)&3)
	if err != nil {
		return 0, 0, err
	}

	off, err = r.setSeqTable(data, off, seqOffset, (symMode>>4)&3)
	if err != nil {
		return 0, 0, err
	}

	off, err = r.setSeqTable(data, off, seqMatch, (symMode>>2)&3)
	if err != nil {
		return 0, 0, err
	}