def _find_decoded(table):
    """Look for row which ends to "end of text" (ETX) control character.
    :param table: table of strings, where one should end with ETX control
    character.
    :return: decoded string.
    """
    for row in table:
        if row.endswith(b"\x03"):
            return row
    raise Exception("No ETX character-ending row in table.")