diff --git a/src/c/funktionen.c b/src/c/funktionen.c
index c43fe11..f5b06d6 100644
--- a/src/c/funktionen.c
+++ b/src/c/funktionen.c
@@ -97,6 +97,12 @@ int x_wins_02_11_20(char board[][3]) {
 
 int o_wins_00_10_20(char board[][3]) {
     if (board[0][0] == 'O' && board[1][0] == 'O' && board[2][0] == 'O') {
+        return 1;
+    }
+}
+
+int o_wins_01_11_21(char board[][3]) {
+    if (board[0][1] == 'O' && board[1][1] == 'O' && board[2][1] == 'O') {
 	return 1;
     }
 }
diff --git a/src/c/funktionen.h b/src/c/funktionen.h
index b78c987..ab89d52 100644
--- a/src/c/funktionen.h
+++ b/src/c/funktionen.h
@@ -35,9 +35,6 @@ int x_wins_02_12_22(char board[][3]);
 int x_wins_00_01_02(char board[][3]);
 //prüft, ob X bei Index 00, 01, 02 ist
 
-int o_wins_00_10_20(char board[][3]);
-// prüft, ob O bei Index 00, 10, 20 ist.
-
 int x_wins_10_11_12(char board[][3]);
 //prüft, ob X bei Index 10, 11, 12 ist
 
@@ -50,6 +47,13 @@ int x_wins_00_11_22(char board[][3]);
 int x_wins_02_11_20(char board[][3]);
 // prüft, ob X bei Index 02, 11, 20 ist
 
+int o_wins_00_10_20(char board[][3]);
+// prüft, ob O bei Index 00, 10, 20 ist.
+
+int o_wins_01_11_21(char board[][3])
+// prüft, ob O bei Index 01, 11, 21 ist.
+
+
 int string_character_counter(char string[]);
 // liefert die Länge eines Strings zurück
 
diff --git a/src/test/test_funktionen.c b/src/test/test_funktionen.c
index 68f38d3..d1b9099 100644
--- a/src/test/test_funktionen.c
+++ b/src/test/test_funktionen.c
@@ -213,31 +213,31 @@ void test_x_wins_onIndex_00_01_02(void)
     TEST_ASSERT_EQUAL_INT(expected, actual);
 }
 
-void test_o_wins_onIndex_00_10_20(void)
+void test_x_wins_onIndex_20_21_22(void)
 {
     /* arrange */
     int actual;
     int expected = 1;
     
-    char board[][3] = {{'O',' ',' '}, {'O',' ',' '}, {'O',' ',' '}};
+    char board[][3] = {{' ',' ',' '}, {' ',' ',' '}, {'X','X','X'}};
 
     /* act */
-    actual = o_wins_00_10_20(board);
+    actual = x_wins_20_21_22(board);
 
     /* assert */
     TEST_ASSERT_EQUAL_INT(expected, actual);
 }
 
-void test_x_wins_onIndex_20_21_22(void)
+void test_x_wins_onIndex_10_11_12(void)
 {
     /* arrange */
     int actual;
     int expected = 1;
     
-    char board[][3] = {{' ',' ',' '}, {' ',' ',' '}, {'X','X','X'}};
+    char board[][3] = {{' ',' ',' '}, {'X','X','X'}, {' ',' ',' '}};
 
     /* act */
-    actual = x_wins_20_21_22(board);
+    actual = x_wins_10_11_12(board);
 
     /* assert */
     TEST_ASSERT_EQUAL_INT(expected, actual);
@@ -273,6 +273,36 @@ void test_x_wins_onIndex_02_11_20(void)
     TEST_ASSERT_EQUAL_INT(expected, actual);
 }
 
+void test_o_wins_onIndex_00_10_20(void)
+{
+    /* arrange */
+    int actual;
+    int expected = 1;
+    
+    char board[][3] = {{'O',' ',' '}, {'O',' ',' '}, {'O',' ',' '}};
+
+    /* act */
+    actual = o_wins_00_10_20(board);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(expected, actual);
+}
+
+void test_o_wins_onIndex_01_11_21(void)
+{
+    /* arrange */
+    int actual;
+    int expected = 1;
+    
+    char board[][3] = {{' ','O',' '}, {' ','O',' '}, {' ','O',' '}};
+
+    /* act */
+    actual = o_wins_01_11_21(board);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(expected, actual);
+}
+
 void test_stringLaenge_von_Kokosnuss(void)
 {
     /* arrange */