--- a/src/main/java/com/glavsoft/rfb/encoding/decoder/ZRLEDecoder.java	Sat Jan 04 17:34:01 2020 +0900
+++ b/src/main/java/com/glavsoft/rfb/encoding/decoder/ZRLEDecoder.java	Mon Jan 27 14:40:58 2020 +0900
@@ -108,9 +108,8 @@
 				CheckDelay.checkDelay(c1, rect.x, rect.y, rect.width, rect.height, System.currentTimeMillis(), EncodingType.CHECK_DELAY);
 			c1.put((byte) 0);
 			c1.put((byte) 0);
-			c1.put((byte) 0);
 			c1.putShort((short) 0);
-			c1.position(c1.position() + 16);
+			c1.position(c1.position() + 12);
 			c1.putInt(0);     // should be data length
 			prevC1Offset = c1.position();
 			prevC1LineOffset = prevC1Offset;
@@ -190,27 +189,26 @@
 			if (!deflater.needsInput()) {
 				deflater.finish();
 				if (offset != prevLineOffset) {
-
 					// fix phase1 rectangle header
-					c1.putShort(prevC1Offset + 0, (short) c1rect.x);
-					c1.putShort(prevC1Offset + 2, (short) c1rect.y);
-					c1.putShort(prevC1Offset + 4, (short) c1rect.width);
-					c1.putShort(prevC1Offset + 6, (short) c1rect.height);
-					c1.putInt(prevC1Offset + 8, EncodingType.ZRLEE.getId());
-					c1.putInt(prevC1Offset + 12, c1.position() - prevC1LineOffset - 12); // data length
-					c1.putShort(2, (short) (c1.getShort(2) + 1));    // increment rectangle count
+					//c1.putShort(prevC1Offset - 16, (short) c1rect.x);
+					//c1.putShort(prevC1Offset - 14, (short) c1rect.y);
+					//c1.putShort(prevC1Offset - 12, (short) c1rect.width);
+					//c1.putShort(prevC1Offset - 10, (short) c1rect.height);
+					//c1.putInt(prevC1Offset - 8, EncodingType.ZRLEE.getId());
+					//c1.putInt(prevC1Offset - 4, c1.position() - prevC1LineOffset - 12); // data length
+					//c1.putShort(2, (short) (c1.getShort(2) + 1));    // increment rectangle count
 
 
-					if (c1rect.x == rect.x) {  // phase0 needs no phase1
-						// make header space for phase2
-						c1.limit(c1.limit() + headerLength);
-						int pos = c1.position() - 1;
-						// to make rectangle header shift last bytes
-						for (int i = 0; i < pos - prevC1LineOffset; i++) {
-							c1.array()[pos + headerLength - i] = c1.array()[pos - i];
-						}
-						prevC1Offset = prevC1LineOffset;
-					}
+					//if (c1rect.x == rect.x) {  // phase0 needs no phase1
+					//	// make header space for phase2
+					//	c1.limit(c1.limit() + headerLength);
+					//	int pos = c1.position() - 1;
+					//	// to make rectangle header shift last bytes
+					//	for (int i = 0; i < pos - prevC1LineOffset; i++) {
+					//		c1.array()[pos + headerLength - i] = c1.array()[pos - i];
+					//	}
+					//	prevC1Offset = prevC1LineOffset;
+					//}
 				}
 				flushRectangle(rect);
 				flushMuticast(rfb);
@@ -232,12 +230,12 @@
 		 * send muticast pacate if nessesally
 		 */
 		private void flushRectangle(FramebufferUpdateRectangle rect) {
-			c1.putShort(prevC1Offset + 0, (short) c1rect.x);
-			c1.putShort(prevC1Offset + 2, (short) c1rect.y);
-			c1.putShort(prevC1Offset + 4, (short) c1rect.width);
-			c1.putShort(prevC1Offset + 6, (short) c1rect.height);
-			c1.putInt(prevC1Offset + 8, EncodingType.ZRLEE.getId());
-			c1.putInt(prevC1Offset + 12, c1.position() - prevC1Offset - 12); // data length
+			c1.putShort(prevC1Offset - 16, (short) c1rect.x);
+			c1.putShort(prevC1Offset - 14, (short) c1rect.y);
+			c1.putShort(prevC1Offset - 12, (short) c1rect.width);
+			c1.putShort(prevC1Offset - 10, (short) c1rect.height);
+			c1.putInt(prevC1Offset - 8, EncodingType.ZRLEE.getId());
+			c1.putInt(prevC1Offset  - 4, c1.position() - prevC1Offset - 12); // data length
 			c1.putShort(2, (short) (c1.getShort(2) + 1));    // increment rectangle count
 			prevC1Offset = c1.position();
 
@@ -303,7 +301,7 @@
 		int maxY = rect.y + rect.height;
 
 		TileLoop tileloop = new TileLoop(zippedLength);
-		//System.out.println("decode1: "+rect);
+		//System.out.println("decode1: "+rect.toString());
 		if (null == palette) {
 			palette = new int[128];
 		}