--- a/src/alice/test/codesegment/local/bitonicsort/DataList.java	Wed Mar 27 21:14:59 2013 +0900
+++ b/src/alice/test/codesegment/local/bitonicsort/DataList.java	Thu Mar 28 00:07:55 2013 +0900
@@ -40,28 +40,20 @@
 	public static void merge(DataList list1, DataList list2) {
 		int[] t1 = list1.table; 
 		int[] t2 = list2.table; 
-		int[] t0 = list1.table.clone();
+		int[] t0 = list1.table.clone(); // copy to avoid destroy t1
 		int i = 0, j= 0,n=0;
-        while (i< t0.length && n<t1.length){
-            if (j>=t2.length || t0[i] < t2[j]) {
-                t1[n] = t0[i]; 
+        while (i< t0.length) {
+            if (n>=t1.length) { // switch to the second list
+                t1 = t2; n = 0;
+            }
+            if (j>=t2.length || t0[i] < t2[j]) { 
+                t1[n] = t0[i];  // including when  j reaches end of t2
                 i++; n++;
             } else {
                 t1[n] = t2[j];
                 j++; n++;
             }
         }               
-        while (i< t0.length && n<j+t1.length) {
-            if (j>=t2.length || t0[i] < t2[j]) {
-                t2[n-t1.length] = t0[i]; 
-                i++; n++;
-            } else {
-                t2[n-t1.length] = t2[j];
-                j++; n++;
-            }
-        }       
- 
-
 	}
 	
 }