Hi ya there Ken
Sad to see that things haven't worked out as planned - sometimes they don't - but when you do have the right plans and the hull doesn't match, it is best policy to start over again.
As far as salvaging planks - have you thought about placing what is left of the model in the bath and pouring boiling kettle water over it - obviously careful for your hands. After a few goes - this tends to soften and break free the majority of glues - I DO HAVE THE TEE SHIRT here
that happened to me on one of my builds a while ago - when I noticed the hull had a twist in the keel even though I put it on the building board - another story.
Having said that hand on heart - even though I salvaged several planks I couldn't get them to lie properly like freshly cut planks - so out of maybe 100 I salvaged I only ended up using about 40 of the blighters
John