diff --git a/source/exercises100.ktx b/source/exercises100.ktx
index dde5dfa..5e8f8d5 100644
--- a/source/exercises100.ktx
+++ b/source/exercises100.ktx
@@ -211,6 +211,12 @@ Z[1::2,::2] = 1
 Z[::2,1::2] = 1
 print(Z)
 
+# Alternative solution: Using reshaping
+arr = np.ones(64,dtype=int)
+arr[::2]=0
+arr = arr.reshape((8,8))
+print(arr)
+
 < q20
 Consider a (6,7,8) shape array, what is the index (x,y,z) of the 100th element? (★☆☆)