i dont think it will be double eviction
week 10 = 9th eviction (9 Hms Left)
week 11 = 10th eviction (8 Hms Left)
week 12 = 11th eviction (7 hms left)
week 13(halfway) = 12th eviction (6 hms left)
Week 13 = Final (6 hms)
and answer to your question i dont think amanda/sam will nominate because theyre already up for the public vote(but i could be wrong)
if the twins did nominate
Amanda/Sam - Carole + Tracey
Amy - Liam + Gerry
Brian - Amy + Gerry
Carole - KL + Amy
Gerry - Carole + Amy
Jonty - Liam + Tracey
Kara-Louise - Ziggy + Gerry
Liam - Amy + Jonty
Tracey - Ziggy + Amy
Ziggy - Gerry + Amy
Conzors