Is this valid?

Routing Label Airlines Class
YYZ-JFK Start AC 348 Business
JFK-FRA Connection SQ 3,855 First
FRA-DBV Stop OU 694 Business
DBV-ZRH Layover OU 583 Business
ZRH-SIN Connection SQ 6,406 First
SIN-DSP Turn SQ 1,037 Business
DSP-SIN Connection SQ 1,037 Business
SIN-PEK Stop SQ 2,780 First
PEK-NRT Layover CA 1,330 Business
NRT-JFK Connection NH 6,745 First
JFK-YYZ End AC 366 Business

Mileage
Business 5,395 21%
First 19,786 79%
Total 25,181 100%

EDIT: Would love to avoid having to "position" myself to JFK if I can get "F" out of YYZ instead... just couldn't find any first class routes from this thread:
http://www.flyertalk.com/forum/star-...es-thread.html