diff --git a/.gitignore b/.gitignore
index 6f8aeee..fc53910 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,7 @@ doble_initial.exe
 highscores.txt
 runStackTest.exe
 stack.o
+runNumbersTest.exe
+numbers.o
+.vscode/launch.json
+.vscode/settings.json
diff --git a/numbers.c b/numbers.c
index 7adf6bd..cd016a4 100644
--- a/numbers.c
+++ b/numbers.c
@@ -32,19 +32,33 @@ unsigned int checkArray(unsigned int *array, unsigned int len, unsigned int numb
 unsigned int *createNumbers(unsigned int len)
 {
   srand(time(NULL));
-  unsigned int array[len];
-  unsigned int randomNr;
+  unsigned int *array = (unsigned int*)malloc(len * sizeof(unsigned int));
+  int randomNr, counter;
+
+  if(array == NULL)
+  {
+    return NULL;
+  }
 
   for (int i = 0; i < len; i++)
   {
+    counter = 0;
     do
     {
-      randomNr = rand() % 2 * len + 1;
+      if (counter == 9)
+      {
+        return NULL;
+      }
+      
+      randomNr = rand() % (2 * len + 1);
+      counter++;
     } while (!checkArray(array, i, randomNr));
 
     array[i] = randomNr;
+    printf("%u ", array[i]);
   }
 
+  printf("\n");
   return array;
 }
 
diff --git a/numbers.o b/numbers.o
index 507642a..2b1174a 100644
Binary files a/numbers.o and b/numbers.o differ
diff --git a/runNumbersTest.exe b/runNumbersTest.exe
index e9feb27..7536779 100644
Binary files a/runNumbersTest.exe and b/runNumbersTest.exe differ
diff --git a/test_numbers.c b/test_numbers.c
index ae339ad..04b5069 100644
--- a/test_numbers.c
+++ b/test_numbers.c
@@ -3,6 +3,20 @@
 #include "numbers.h"
 #include "unity.h"
 
+void createNumbersTest()
+{
+    unsigned int *array;
+    unsigned int len = 6;
+
+    array = createNumbers(len);
+    for (int i = 0; i < len; i++)
+    {
+        printf("%u ", array[i]);
+    }
+    printf("\n");
+    TEST_ASSERT_NOT_NULL(array);
+}
+
 void duplicateTest()
 {
     unsigned int array[6] = {1, 4, 5, 2, 3, 1};
@@ -26,7 +40,7 @@ int main()
     UNITY_BEGIN();
 
     printf("============================\nNumbers tests\n============================\n");
-
+    RUN_TEST(createNumbersTest);
     RUN_TEST(duplicateTest);
 
     return UNITY_END();