Note: based on J Dewey in “The Literary Structure of the Controversy Stories in Mark 2:1-3:6” Journal of Biblical Literature, Vol. 92, No. 3 (Sep., 1973), pp. 394-401. Five pericopes form an ABCB’A’ pattern around the central theme of the new covenant.
In the Shape of Biblical Language” by John Breck, he gives a structure of all 16 chapters of Mark.