... とすれば => point of view N2
Position, perspective
…となれば => if that happens N2
Deduce
むき => facing towards N3
Direction
とあれば => If A N1
Conditional, While
... を... とすれば/ ... が... だとすれば => in the case of~; assuming~; if A then B (conditional) N2
Consider it
だとすれば => in the case of N2
Deduce
むしろ => rather; instead N2
Compare
...はむりだ... => impossible N4
Description
込む => to be crowded N3
なくて済む/ないで済む => get by without doing ~ N2
によると / によれば => according to ~ N3
Base, base
~これ以上...ば => if ~ any more than this N1
Condition (hypothetical condition)