diff --git a/2024/08/08.py b/2024/08/08.py
index 308e97b..5c90990 100644
--- a/2024/08/08.py
+++ b/2024/08/08.py
@@ -19,7 +19,7 @@ def antinodes(antennae):
     out = []
     for a in antennae:
         for i in range(0,len(antennae[a])):
-            for j in range(1,len(antennae[a])):
+            for j in range(i+1,len(antennae[a])):
                 pt1 = antennae[a][i]
                 pt2 = antennae[a][j]
                 an1 = ptAdd(pt1,ptSub(pt1,pt2))
@@ -30,10 +30,30 @@ def antinodes(antennae):
                     out.append(an1)
     return out
 
+def resonantAntinodes(antennae):
+    out = []
+    for a in antennae:
+        for i in range(0,len(antennae[a])):
+            for j in range(i+1,len(antennae[a])):
+                pt1 = antennae[a][i]
+                pt2 = antennae[a][j]
+                an1 = ptAdd(pt1, ptSub(pt1, pt2))
+                while an1[0] >= 0 and an1[1] >= 0 and an1[0] < 50 and an1[1] < 50:
+                    if not an1 in out:
+                        out.append(pt1)
+                    an1 = ptAdd(an1, ptSub(an1, pt2))
+                an2 = ptAdd(pt2,ptSub(pt2,pt1))
+                while an2[0] >= 0 and an2[1] >= 0 and an2[0] < 50 and an2[1] < 50:
+                    if not an2 in out:
+                        out.append(pt2)
+                    an2 = ptAdd(an2, ptSub(an2, pt1))
+    return out
+
 arr = []
 with open("input08.txt") as file:
     for line in file:
         arr.append([])
         for a in line[:-1]:
             arr[-1].append(a)
-print(len(antinodes(antennae(arr))))
\ No newline at end of file
+print(len(antinodes(antennae(arr))))
+print(len(resonantAntinodes(antennae(arr))))
\ No newline at end of file
diff --git a/2024/09/09.py b/2024/09/09.py
index e3cce80..766606f 100644
--- a/2024/09/09.py
+++ b/2024/09/09.py
@@ -24,12 +24,15 @@ def orderDump(dump):
     i = 0
     for a in dump:
         if a == -1:
-            if dump[-1] != -1:
-                arr[i] = dump[-1]
-                i += 1
-            else:
-                pass
-            dump.pop(-1)
+            flag = True
+            while flag:
+                if dump[-1] != -1:
+                    arr[i] = dump[-1]
+                    i += 1
+                    flag = False
+                else:
+                    pass
+                dump.pop(-1)
         else:
             arr[i] = a
             i += 1