How I figured out my solution for Secret Level
Well, the thing about the secret level is due to the Explosion Speed. You have 10 seconds, the bombs either cross 2 straight line tiles in 1s, or 3 in 2s, or 2 diagonal in 2s. If you want the explosions to cross ~20 cells if you measure vertically and horizontally, under that time limit, then the 2 tiles / second Cherries is the only way to go.Maybe there’s a way with Diagonals, to cross less distance overall, but then I’d be moving the explosions in a way that I can’t cross myself, because of that big gap to the left of the exit… But can’t see easily see a solution that involves diagonals…
More accurate description of my solution: Cherry, Trusted, Cherry, Cherry, Trusted, then all Cherries. But investigating using a trio of Trusteds in a row… Yep, that works too, instead of two Cherries between Trusteds.
A.k.a an 18 Load solution.
Now to see if I can find the alternate solution for that 16-load room.