From http://www.flyertalk.com/forum/13438687-post8.html, pilotboy1985YYC booked:

YHZ-YUL AC J
YUL-MUC LH F -> It appears there is ton of F available any day of the week
MUC-FCO LH J -> Stop for almost a week
FCO-FRA LH J
FRA-SIN LH F -> Again, lot's of availability in F. Seems easy to grab. Stop in SIN for about a week
SIN-BKK SQ J -> Getting SQ J was difficult on this route, but lots of TG J available. No F offered on this short flight. Stop in BKK for about 4 days.
BKK-ZRH TG F -> This route seemed pretty easy to get F on.
ZRH-JFK LX F -> This wasn't an easy route to get F. Stop in JFK overnight
LGA-YYZ AC J
YYZ-YHZ AC J