The final destination is no stopover and you can also make more than 6 stops/connections during your trip (stopover = more than 24h at the same place), e.g.:
PHX-(1)-2-(3)-(4)-5-6-7-(8)-(9)-10-(11)-12-PHX
numbers in brackets = stopovers = max. 6 allowed
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Pictures from hotel stays
Basic Hotel stays/nights/points calculator
Short overview: KLM FD, LH M&M