diff --git a/day9/second.cpp b/day9/second.cpp
index 29fc582..a2b9fe1 100644
--- a/day9/second.cpp
+++ b/day9/second.cpp
@@ -48,34 +48,41 @@ int main() {
       }
     }
   }
- printDiskMap(diskmap);
+  printDiskMap(diskmap);
+
   {
-    int Dot;
+    int dotFound;
     auto offset = diskmap.begin();
     int block_count;
 
     while (std::find(diskmap.begin(), diskmap.end(), -1) != diskmap.end()) {
-      while (true) {Dot =
-          std::find(diskmap.begin(), diskmap.end(), -1) - diskmap.begin();
-        if(diskmap.back()  == -1) {
-          diskmap.pop_back();
-          continue;
-        }
-        block_count = 
-          std::find(diskmap.begin(), diskmap.end(), -1) - diskmap.begin();count(diskmap.end(),diskmap.begin(),diskmap.back());
+      // Removes empty blocks at the end
+      if (diskmap.back() == -1) {
+        diskmap.pop_back();
+        continue;
+      }
 
-        while (true) {
-        Dot =
-          std::find(offset, diskmap.end(), -1) - diskmap.begin();
-          if(std::count(diskmap.begin() +  Dot,diskmap.end(), -1) == block_count) {}
+      // counts how many blocks are in file
+      block_count = std::count(diskmap.end(), diskmap.begin(), diskmap.back());
+
+      while (true) {
+        dotFound = std::find(offset, diskmap.end(), -1) - diskmap.begin();
+
+        if (std::count(diskmap.begin() + dotFound,
+                       diskmap.begin() + dotFound + block_count,
+                       -1) == block_count) {
+
+          std::fill(diskmap.begin() + dotFound,
+                    diskmap.begin() + dotFound + block_count, diskmap.back());
+          for (int i = 0; i < block_count; i++) {
+            diskmap.pop_back();
+          }
+          break;
+        } else {
+          offset = diskmap.begin() + dotFound + block_count;
         }
       }
-      Dot =
-          std::find(diskmap.begin(), diskmap.end(), -1) - diskmap.begin();
-          std::cout << "first dot: " << Dot << std::endl;
-          
-      diskmap[Dot] = diskmap.back();
-      diskmap.pop_back();
+
       printDiskMap(diskmap);
     }
   }