No I think you're right - I was getting it confused with the stopover at point of origin being okay. But here's the rule -
113N . 4. 1 INTERNATIONAL DEPARTURE AND 1 INTERNATIONAL
114N . ARRIVAL FROM/TO THE COUNTRY OF ORIGIN PERMITTED.
115N . EXCEPTION - ORIGIN USA - 2 PERMITTED. 1 ARRIVAL-
116N . DEPARTURE MUST BE A TRANSIT WITHOUT STOPOVER.
Sorry.