Not quite an RTW, but an odd enough booking to be worth mention:
YVRGary:
Outbound: YVR-YUL-IST-BRU
Inbound: TXL-IST-YUL-YYZ-YVR
Mrs. YVRGary:
Outbound: YWG-YUL-IST-TXL
Inbound: TXL-IST-YUL-YYZ-YVR
Taxes and booking fees included, a little over $200 each in J.