diff --git a/src/koans/12_sequence_comprehensions.clj b/src/koans/12_sequence_comprehensions.clj
index d417687..07a02a1 100644
--- a/src/koans/12_sequence_comprehensions.clj
+++ b/src/koans/12_sequence_comprehensions.clj
@@ -3,34 +3,28 @@
 
 (meditations
   "Sequence comprehensions can bind each element in turn to a symbol"
-  (= __
-     (for [x (range 6)]
-       x))
+  (= '(0 1 2 3 4 5)
+     (for [x (range 6)] x))
 
   "They can easily emulate mapping"
   (= '(0 1 4 9 16 25)
-     (map (fn [x] (* x x))
-          (range 6))
-     (for [x (range 6)]
-       __))
+     (map (fn [x] (* x x)) (range 6))
+     (for [x (range 6)] (* x x)))
 
   "And also filtering"
   (= '(1 3 5 7 9)
      (filter odd? (range 10))
-     (for [x __ :when (odd? x)]
+     (for [x (range 10) :when (odd? x)]
        x))
 
   "Combinations of these transformations are trivial"
   (= '(1 9 25 49 81)
-     (map (fn [x] (* x x))
-          (filter odd? (range 10)))
-     (for [x (range 10) :when __]
-       __))
+     (map (fn [x] (* x x)) (filter odd? (range 10)))
+     (for [x (range 10) :when (odd? x)] (* x x)))
 
   "More complex transformations simply take multiple binding forms"
   (= [[:top :left] [:top :middle] [:top :right]
       [:middle :left] [:middle :middle] [:middle :right]
       [:bottom :left] [:bottom :middle] [:bottom :right]]
      (for [row [:top :middle :bottom]
-           column [:left :middle :right]]
-       __)))
+           column [:left :middle :right]] [row column])))