6. Sitai

FBL held the seat; the winning margin widened from 4.5% to 7.2%.

• Won on a lower shareIts own vote share fell 4.2% — it held because the rest of the vote was more divided.
• Vote fragmentedThe top two took only 88.3% between them, down from 99.3% — the field split more ways.

Written from the constituency figures by a fixed set of rules — no language model.