diff --git a/test.py b/sudoku/test.py
similarity index 72%
rename from test.py
rename to sudoku/test.py
index 763fc45..b8fccd2 100644
--- a/test.py
+++ b/sudoku/test.py
@@ -54,25 +54,25 @@ class Sudoku4BasicTests(Sudoku4TestCase):
 
     def test_peers(self):
         expected_peers = {
-            (0,0): set([0, 1, 2, 3, 4, 8, 12, 5]),
-            (1,0): set([0, 1, 2, 3, 5, 9, 13, 4]),
-            (2,0): set([0, 1, 2, 3, 6, 10, 14, 7]),
-            (3,0): set([0, 1, 2, 3, 7, 11, 15, 6]),
+            (0,0): set([1, 2, 3, 4,  8, 12, 5]),
+            (1,0): set([0, 2, 3, 5,  9, 13, 4]),
+            (2,0): set([0, 1, 3, 6, 10, 14, 7]),
+            (3,0): set([0, 1, 2, 7, 11, 15, 6]),
 
-            (0,1): set([4, 5, 6, 7, 0, 8, 12, 1]),
-            (1,1): set([4, 5, 6, 7, 1, 9, 13, 0]),
-            (2,1): set([4, 5, 6, 7, 2, 10, 14, 3]),
-            (3,1): set([4, 5, 6, 7, 3, 11, 15, 2]),
+            (0,1): set([5, 6, 7, 0,  8, 12, 1]),
+            (1,1): set([4, 6, 7, 1,  9, 13, 0]),
+            (2,1): set([4, 5, 7, 2, 10, 14, 3]),
+            (3,1): set([4, 5, 6, 3, 11, 15, 2]),
 
-            (0,2): set([8, 9, 10, 11, 0, 4, 12, 13]),
-            (1,2): set([8, 9, 10, 11, 1, 5, 13, 12]),
-            (2,2): set([8, 9, 10, 11, 2, 6, 14, 15]),
-            (3,2): set([8, 9, 10, 11, 3, 7, 15, 14]),
+            (0,2): set([9, 10, 11, 0, 4, 12, 13]),
+            (1,2): set([8, 10, 11, 1, 5, 13, 12]),
+            (2,2): set([8,  9, 11, 2, 6, 14, 15]),
+            (3,2): set([8,  9, 10, 3, 7, 15, 14]),
 
-            (0,3): set([12, 13, 14, 15, 0, 4, 8, 9]),
-            (1,3): set([12, 13, 14, 15, 1, 5, 9, 8]),
-            (2,3): set([12, 13, 14, 15, 2, 6, 10, 11]),
-            (3,3): set([12, 13, 14, 15, 3, 7, 11, 10]),
+            (0,3): set([13, 14, 15, 0, 4, 8, 9]),
+            (1,3): set([12, 14, 15, 1, 5, 9, 8]),
+            (2,3): set([12, 13, 15, 2, 6, 10, 11]),
+            (3,3): set([12, 13, 14, 3, 7, 11, 10]),
         }
         for (coords, expeers) in expected_peers.items():
             with self.subTest(coord=coords, ex=expeers):