Which routes would that be now that AB took over many of X3's city destinations and X3 scaled back its flights to warmwater destinations ?
Some flights in X3's timetable are listed with a AB-flight number only.
IIRC flights to TLV were using a HF-code (but not X3) for legal reasons weren't they ?
Carpe diem ! Life is too short to waste your time ! Keep in mind, that today is the first day of the rest of your life !