there were several problems , however : 1 ) the gangway stairs were designed for the leisurely departure of first-class guests , not for an entire mayan civilization ; 2 ) the warriors had to avoid touching the statue of the king on the way out , lest they accidentally make a more permanent exit , and ; 3 ) the belly-flop nature of their landing left only one of the two gangways in a position to open , forcing the furious fighters to exit single-file .