Please notice there is a variation for Trillioneighbors, where Zone of 4 in included inconditionally, considered as a TRILLIONEIGHBOR formation with zero space (0) in between the "glued" neighboring Zones.
It is an exception to the exact rule, but you may want to try it yourself.
So, under this variation, in the first example above we would have to include 35 . 33:
[attachimg=1]