*/
public static byte[][] decompress(byte[] data, int offset, int length) throws IOException {
ByteArrayInputStream bais = new ByteArrayInputStream(data, offset, length);
// Decompress
LZW4HDGF lzw = new LZW4HDGF();
byte[] decompressed = lzw.decode(bais);
// Split into header and contents
byte[][] ret = new byte[2][];
ret[0] = new byte[4];
ret[1] = new byte[decompressed.length - 4];