More like:There is a floor A that does not progress because of floor B
there is a floor B that does not progress because of floor C
there is a floor C that does not progress because of floor A.
Our two scientists are trying very hard to get out of the paradox.
Lack of progress on A is the excuse for the lack of progress on B and C.
Lack of progress on B is the excuse for the lack of progress on A and C.
Lack of progress on C is the excuse for the lack of progress on A and B.
The devs are trying very hard to add more letters.