Which intention does NOT necessarily establish Watan al-Iqamah?

The Traveler's Prayer: Travel Threshold, Qasr, Residence, and Watan

• A 15-day stay split between 2 towns with no designated place for the nights.
• A 20-day stay in one identified town.
• A permanent return to one's original home.
• A 15-day stay in one identified village.