It doesn't follow all the rules (the map size has to be 199x199, also don't mistake it for vault size, the size limit is 25x25) but I still cracked it with a fall opener
MP1;p;p;:vf:1-:m.dU-:.Q4g:64-:fhgh-:2hgj-:7g-:6hgk1:2kgj-:80-:5h-2s:20-j-:80-:5h-2s:20-j-:80-:5h-2s:20-j-:70-:6hgk3:2kij-:70-:6hgj-:2jij-:70-:64i:64-:,$d-:n;;