17N . 2. TRAVEL MUST BE IN A CONTINUOUS FORWARD
18N . DIRECTION BETWEEN AREA 1-AREA-2-AREA 3.
19N . BACKTRACK WITHIN A CONTINENT IS PERMITTED
20N . EXCEPT AS FOLLOWS:
21N . -TRAVEL VIA THE ORIGINAL POINT OF ORIGIN NOT
22N . PERMITTED.
23N . - - -BACKTRACK BETWEEN HAWAII AND THE
24N . CONTINENTAL U.S./PR/VI/CANADA NOT PERMITTED.
25N .
26N . 3. 1 INTERCONTINENTAL DEPARTURE AND 1
27N . . INTERCONTINENTAL ARRIVAL PERMITTED IN EACH
28N . CONTINENT EXCEPT AS FOLLOWS:
29N .
30N EXCEPTIONS:
31N .
32N .
33N . A. 2 PERMITTED IN NORTH AMERICA. 1 MUST BE A
34N . TRANSIT WITHOUT STOPOVER BETWEEN SOUTH
35N . AMERICA AND ANOTHER CONTINENT.