diff --git a/mm.c b/mm.c
index 70c7e2e..53f7e3a 100644
--- a/mm.c
+++ b/mm.c
@@ -34,7 +34,37 @@ team_t team = {
   /* Second member's email address (leave blank if none) */
   "tuan-dat.tran@stud.uni-due.de"
 };
+////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////// STRUCTURE //////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
 
+// Filled Blk
+//              31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0
+//             +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+// HEADER      | SIZE                                                                                       | A|
+//             +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+// BODY        | ALLOCED MEMORY                                                                                |
+//             +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+// FOOTER      | SIZE                                                                                       | A|
+//             +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+// 
+// Empty Blk
+//              31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0
+//             +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+// HEADER      | SIZE                                                                                       | A|
+//             +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+//             | PTR TO PREV FREE BLK                                                                          |
+//             +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+//             | PTR TO NEXT FREE BLK                                                                          |
+//             +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+// BODY        | UNALLOC MEMORY                                                                                |
+//             +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+// FOOTER      | SIZE                                                                                       | A|
+//             +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+
+////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////// DEFINES ///////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
 /* single word (4) or double word (8) alignment */
 #define ALIGNMENT 8
 
@@ -70,9 +100,29 @@ team_t team = {
 #define NEXT_BLKP(bp) ((char *)(bp) + GET_SIZE(((char *)(bp) - WSIZE)))
 #define PREV_BLKP(bp) ((char *)(bp) - GET_SIZE(((char *)(bp) - DSIZE)))
 
-static char *heap_listp;
+////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////// STATIC VARS /////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
+const size_t LIST_SIZE = 100;
+static char* heap_listp;
+static char* seg_list[LIST_SIZE];
 
+////////////////////////////////////////////////////////////////////////////////
+///////////////////////////////// HELPER PREDEF //////////////////////////////// 
+////////////////////////////////////////////////////////////////////////////////
 /* Page 856-858, Pearson R. Bryant – D. O’Hallaron. Computer Systems: A Programmer’s Perspective.3rd Edition, Pearson, 2003. */
+static void place(void *bp, size_t asize);
+/* Page 856, Pearson R. Bryant – D. O’Hallaron. Computer Systems: A Programmer’s Perspective.3rd Edition, Pearson, 2003. */
+static void* find_fit(size_t asize);
+/* Page 833, Pearson R. Bryant – D. O’Hallaron. Computer Systems: A Programmer’s Perspective.3rd Edition, Pearson, 2003. */
+static void* coalesce(void *bp);
+/* Page 831, Pearson R. Bryant – D. O’Hallaron. Computer Systems: A Programmer’s Perspective.3rd Edition, Pearson, 2003. */
+static void* extend_heap(size_t words);
+/* Page 831, Pearson R. Bryant – D. O’Hallaron. Computer Systems: A Programmer’s Perspective.3rd Edition, Pearson, 2003. */
+
+////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////// HELPER FUNCTIONS /////////////////////////////// 
+////////////////////////////////////////////////////////////////////////////////
 static void place(void *bp, size_t asize)
 {
   size_t csize = GET_SIZE(HDRP(bp));
@@ -88,10 +138,7 @@ static void place(void *bp, size_t asize)
     PUT(FTRP(bp), PACK(csize, 1));
   }
 }
-
-/* Page 856, Pearson R. Bryant – D. O’Hallaron. Computer Systems: A Programmer’s Perspective.3rd Edition, Pearson, 2003. */
-static void *find_fit(size_t asize)
-{
+static void* first_fit(size_t asize) {
   /* First fit search */
   void *bp;
 
@@ -101,6 +148,13 @@ static void *find_fit(size_t asize)
     }
   }
   return NULL; /* No fit */
+
+}
+
+/* Page 856, Pearson R. Bryant – D. O’Hallaron. Computer Systems: A Programmer’s Perspective.3rd Edition, Pearson, 2003. */
+static void* find_fit(size_t asize)
+{
+  return first_fit(asize);
 }
 
 /* Page 833, Pearson R. Bryant – D. O’Hallaron. Computer Systems: A Programmer’s Perspective.3rd Edition, Pearson, 2003. */
@@ -150,13 +204,18 @@ static void *extend_heap(size_t words)
   return coalesce(bp);
 }
 
-
+////////////////////////////////////////////////////////////////////////////////
+////////////////////////////// MAIN FUNCTIONALITY //////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
 /* Page 831, Pearson R. Bryant – D. O’Hallaron. Computer Systems: A Programmer’s Perspective.3rd Edition, Pearson, 2003. */
 /*
  * mm_init - initialize the malloc package.
  */
 int mm_init(void)
 {
+  for (size_t i = 0; i < LIST_SIZE; ++i) {
+    seg_list[i] = NULL;
+  }
   /* Create the initial empty heap */
   if ((heap_listp = mem_sbrk(4*WSIZE)) == (void *)-1)
     return -1;
@@ -179,10 +238,9 @@ int mm_init(void)
  */
 void *mm_malloc(size_t size)
 {
-  size_t asize;
-  /* Adjusted block size */
+  size_t asize; /* Adjusted block size */
   size_t extendsize; /* Amount to extend heap if no fit */
-  char *bp;
+  char *bp; /* Pointer */
 
   /* Ignore spurious requests */
   if (size == 0)
@@ -193,6 +251,7 @@ void *mm_malloc(size_t size)
     asize = 2*DSIZE;
   else
     asize = DSIZE * ((size + (DSIZE) + (DSIZE-1)) / DSIZE);
+
   /* Search the free list for a fit */
   if ((bp = find_fit(asize)) != NULL) {
     place(bp, asize);
@@ -241,8 +300,3 @@ void *mm_realloc(void *ptr, size_t size)
   mm_free(oldptr);
   return newptr;
 }
-
-////////////////////////////////////////////////////////////////
-/// Helper Functions
-////////////////////////////////////////////////////////////////
-