Humble apologies for reading the terms and conditions absolutely wrongly. Here are revised scenarios.
Division 2
Stockton are promoted
They can win if.
1. They score 3 points
2. They score 2 points and Solent don't win
3. They score 1 point and Solent don't win
4. They score 0 points and Solent score less than 2 and Dublin don't win
Solent are promoted
They can win if.
1. They score 3 points (countback if Stockton get 2)
2. They score 2 points and Stockton fail to score
Dublin can win the league if they get 3 points and Stockton don't score and Solent score less than 2
Dublin are promoted if
1. They score 3 points
2. They score 2 points
3. They score 1 point and Sheffield fail to win
4. They score 0 points and Sheffield score less than 2
Sheffield are promoted if
1. They score 3 points and Dublin score less than 2
2. They score 2 points and Dublin fail to score
Birmingham promoted if
1. They score 3 points and Dublin fail to score