diff --git a/2015_day_3/day_3.c b/2015_day_3/day_3.c
index 741b98e..4c52e47 100644
--- a/2015_day_3/day_3.c
+++ b/2015_day_3/day_3.c
@@ -96,6 +96,7 @@ void movenorth(Housearray* f, char direction){
   int grid_x = f->x·coord - f->x_coord_origin;
   int grid_y = f->y·coord - f->y_coord_origin;
   f->houses[grid_y][grid_x]++;
+  //comment
 }
 
 void movesouth(Housearray* f, char direction){
@@ -106,7 +107,7 @@ void movesouth(Housearray* f, char direction){
   //update y coordinate
   f->y·coord++;
   //check if expansion needed
-  if (f->y·coord > f->rows·in·array){
+  if (f->y·coord - f->y_coord_origin >= f->rows·in·array){
     //Expand south
     int new_rows = old_rows +1;
     int new_cols = old_cols;
@@ -115,12 +116,12 @@ void movesouth(Housearray* f, char direction){
     for (int i = 0; i< old_rows; ++i){
       new_grid[i] = f->houses[i];
     }
-    new_grid[0] = (int*)calloc(new_cols, sizeof(int));//Initialising the new row to empty
+    new_grid[new_rows - 1] = (int*)calloc(new_cols, sizeof(int));//Initialising the new row to empty
     free(f->houses);
     f->houses = new_grid;
     f->rows·in·array = new_rows;
     f->columns·in·array = new_cols;
-    f->y_coord_origin++;
+
   }
   //updating the visit count
   int grid_x = f->x·coord - f->x_coord_origin;