C1
C1
C1
C1
(No single carbon
alkene)
C2
C2
C2
C2
C3
C3
C3
C3
C4
C4
C4
C4
C5
C5
C5
C5
C6
C6
C6
C6
C7
C7
C7
C7
C8
C8
C8
C8
+2
+2
+2
+2
Reverse
Reverse
Reverse
Reverse
Skip
Skip
Skip
Skip
+4
+4
+4
+4