diff --git a/genomix/genomix-hadoop/actual/result2/.part-00000.crc b/genomix/genomix-hadoop/actual/result2/.part-00000.crc
index 8871afc..ea0c7ed 100755
--- a/genomix/genomix-hadoop/actual/result2/.part-00000.crc
+++ b/genomix/genomix-hadoop/actual/result2/.part-00000.crc
Binary files differ
diff --git a/genomix/genomix-hadoop/actual/result2/part-00000 b/genomix/genomix-hadoop/actual/result2/part-00000
index 9d64c60..882a5db 100755
--- a/genomix/genomix-hadoop/actual/result2/part-00000
+++ b/genomix/genomix-hadoop/actual/result2/part-00000
@@ -1,7 +1,4 @@
-01	33	1
-03	1	1
-04	-103	2
-0c	18	1
-10	18	1
-13	16	1
-31	17	1
+10 03	18	1
+31 00	1	1
+41 00	-128	1
+c4 00	17	1
diff --git a/genomix/genomix-hadoop/data/webmap/text.txt b/genomix/genomix-hadoop/data/webmap/text.txt
index c7fb713..f63a141 100755
--- a/genomix/genomix-hadoop/data/webmap/text.txt
+++ b/genomix/genomix-hadoop/data/webmap/text.txt
@@ -1,4 +1,4 @@
 @625E1AAXX100810:1:100:10000:10271/1
-AATAGAAGAT
+AATAGAAG
 +
-EDBDB?BEEEDGGEGGGDGGGA>DG@GGD;GD@DG@F?<B<BFFD?
\ No newline at end of file
+EDBDB?BEEEDGGEGGGDGGGA>DG@GGD;GD@DG@F?<B<BFFD?
diff --git a/genomix/genomix-hadoop/expected/result2 b/genomix/genomix-hadoop/expected/result2
index aa56fbf..2c44be3 100755
--- a/genomix/genomix-hadoop/expected/result2
+++ b/genomix/genomix-hadoop/expected/result2
@@ -1,7 +1,4 @@
-01 33 1
-03 1 1
-04 -103 2
-0c 18 1
-10 18 1
-13 16 1
-31 17 1
+10 03	18	1
+31 00	1	1
+41 00	-128	1
+c4 00	17	1
\ No newline at end of file
diff --git a/genomix/genomix-hadoop/src/main/java/edu/uci/ics/graphbuilding/GenomixMapper.java b/genomix/genomix-hadoop/src/main/java/edu/uci/ics/graphbuilding/GenomixMapper.java
index 3eb5e12..d8d0ff8 100755
--- a/genomix/genomix-hadoop/src/main/java/edu/uci/ics/graphbuilding/GenomixMapper.java
+++ b/genomix/genomix-hadoop/src/main/java/edu/uci/ics/graphbuilding/GenomixMapper.java
@@ -103,7 +103,12 @@
         boolean isValid = geneMatcher.matches();
         int i = 0;
         if (isValid == true) {
-            byte[] kmerValue = new byte[KMER_SIZE * 2 / 8 + 1];
+            int size = 0;
+            if (KMER_SIZE * 2 % 8 == 0)
+                size = KMER_SIZE * 2 / 8;
+            else
+                size = KMER_SIZE * 2 / 8 + 1;
+            byte[] kmerValue = new byte[size];
             for (int k = 0; k < kmerValue.length; k++)
                 kmerValue[i] = 0x00;
             CurrenByte currentByte = new CurrenByte();
@@ -114,7 +119,7 @@
                 byte kmerAdjList = 0;
                 byte initial;
                 if (i >= KMER_SIZE) {
-                    outputKmer.set(kmerValue, 0, KMER_SIZE * 2 / 8 + 1);
+                    outputKmer.set(kmerValue, 0, size);
                     switch ((int) preMarker) {
                         case -1:
                             kmerAdjList = (byte) (kmerAdjList + 0);
@@ -136,7 +141,6 @@
                 switch (geneLine.charAt(i)) {
                     case 'A':
                         kmerAdjList = (byte) (kmerAdjList + 1);
-
                         initial = (byte) 0x00;
                         if (kmerValue.length == 1) {
                             currentByte = lastByteShift(kmerValue[kmerValue.length - 1], initial, KMER_SIZE);
@@ -159,7 +163,6 @@
                         break;
                     case 'G':
                         kmerAdjList = (byte) (kmerAdjList + 2);
-
                         initial = (byte) 0x01;
                         if (kmerValue.length == 1) {
                             currentByte = lastByteShift(kmerValue[kmerValue.length - 1], initial, KMER_SIZE);
@@ -181,7 +184,6 @@
                         break;
                     case 'C':
                         kmerAdjList = (byte) (kmerAdjList + 4);
-
                         initial = (byte) 0x02;
                         if (kmerValue.length == 1) {
                             currentByte = lastByteShift(kmerValue[kmerValue.length - 1], initial, KMER_SIZE);
@@ -217,6 +219,9 @@
                                 preMarker = currentByte.preMarker;
                                 kmerValue[j] = currentByte.curByte;
                             }
+                            currentByte = lastByteShift(kmerValue[kmerValue.length - 1], preMarker, KMER_SIZE);
+                            preMarker = currentByte.preMarker;
+                            kmerValue[kmerValue.length - 1] = currentByte.curByte;
                         }
                         break;
                 }
@@ -231,21 +236,24 @@
             if (i == geneLine.length()) {
                 byte kmerAdjList = 0;
                 switch ((int) preMarker) {
+                    case -1:
+                        kmerAdjList = (byte) (kmerAdjList + 0);
+                        break;
                     case 0:
                         kmerAdjList = (byte) (kmerAdjList + 16);
                         break;
-                    case 16:
+                    case 1:
                         kmerAdjList = (byte) (kmerAdjList + 32);
                         break;
-                    case 32:
+                    case 2:
                         kmerAdjList = (byte) (kmerAdjList + 64);
                         break;
-                    case 48:
+                    case 3:
                         kmerAdjList = (byte) (kmerAdjList + 128);
                         break;
                 }
                 outputAdjList.set(kmerAdjList, count);
-                outputKmer.set(kmerValue, 0, KMER_SIZE * 2 / 8 + 1);
+                outputKmer.set(kmerValue, 0, size);
                 output.collect(outputKmer, outputAdjList);
             }
         }
diff --git a/genomix/genomix-hadoop/src/test/java/edu/uci/ics/graphbuilding/GraphBuildingTest.java b/genomix/genomix-hadoop/src/test/java/edu/uci/ics/graphbuilding/GraphBuildingTest.java
index d04cbdb..49126d6 100755
--- a/genomix/genomix-hadoop/src/test/java/edu/uci/ics/graphbuilding/GraphBuildingTest.java
+++ b/genomix/genomix-hadoop/src/test/java/edu/uci/ics/graphbuilding/GraphBuildingTest.java
@@ -56,7 +56,7 @@
 
         // run graph transformation tests
         GenomixDriver tldriver = new GenomixDriver();
-        tldriver.run(HDFS_PATH, RESULT_PATH, 2, 3, HADOOP_CONF_PATH);
+        tldriver.run(HDFS_PATH, RESULT_PATH, 2, 5, HADOOP_CONF_PATH);
         dumpResult();
         TestUtils.compareWithResult(new File(DUMPED_RESULT), new File(EXPECTED_PATH));
 
diff --git a/genomix/genomix-hadoop/src/test/java/edu/uci/ics/utils/TestUtils.java b/genomix/genomix-hadoop/src/test/java/edu/uci/ics/utils/TestUtils.java
index e63aa5b..237a764 100755
--- a/genomix/genomix-hadoop/src/test/java/edu/uci/ics/utils/TestUtils.java
+++ b/genomix/genomix-hadoop/src/test/java/edu/uci/ics/utils/TestUtils.java
@@ -1,4 +1,5 @@
 package edu.uci.ics.utils;
+
 /*
  * Copyright 2009-2012 by The Regents of the University of California
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -16,6 +17,7 @@
 import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileReader;
+
 /**
  * This class offer the service for graphbuildingtest.class
  */
@@ -50,7 +52,7 @@
 
     private static boolean equalStrings(String s1, String s2) {
         String[] rowsOne = s1.split("\t");
-        String[] rowsTwo = s2.split(" ");
+        String[] rowsTwo = s2.split("\t");
 
         if (rowsOne.length != rowsTwo.length)
             return false;