diff --git a/py/hexagram/trans.py b/py/hexagram/trans.py
index bccb89b..a86bb00 100644
--- a/py/hexagram/trans.py
+++ b/py/hexagram/trans.py
@@ -15,10 +15,8 @@ class Gear(enum.Enum):
     GEAR_10 = 10
 
     __strings__ = {
-        -1: 'R', 0: 'N', 1:   '1',
-         2: '2', 3: '3', 4:   '4',
-         5: '5', 6: '6', 7:   '7',
-         8: '8', 9: '9', 10: '10'
+        -1: 'R', 0: 'N', 1: '1', 2: '2', 3: '3', 4:   '4',
+         5: '5', 6: '6', 7: '7', 8: '8', 9: '9', 10: '10'
     }
 
     def __str__(self):