public static byte[] decodeLines(String s) {
            char[] buf = new char[s.length()];
            int p = 0;
            for (int ip = 0; ip < s.length(); ip++) {
                char c = s.charAt(ip);
                if (c != ' ' && c != '\r' && c != '\n' && c != '\t')
                    buf[p++] = c;
            }
            return decode(buf, 0, p);
        }