diff --git a/4a1s/CP/PL - Aula 4.md b/4a1s/CP/PL - Aula 4.md
index 0ad3672..2938626 100644
--- a/4a1s/CP/PL - Aula 4.md	
+++ b/4a1s/CP/PL - Aula 4.md	
@@ -10,4 +10,12 @@ Não vai ser vetorizável.
 
 
 #### b)
-i - j - k     TO   
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+result of change cycles to i, k , j  :
+A -> consecutive elements in a row -> consecutive access in the vector
+C -> consecutive elements in a row -> consecutive access in the vector
+B -> consecutive elements in a row -> consecutive access in the vector
+
+i  k  j
+0 0 1
+
+Vai ser vetorizável.
\ No newline at end of file