Senate Evacuation solutions

Senate Evacuation was solved using Clojure by 4 contestants. Solution sizes: average 1875 bytes (shortest: 1560; longest: 2089).

455.

w01fe (S, L) (2067 B)
1600.

glowip (S) (1693 B)
2013.

RAM13 (S, L) (2089 B)
2951.

Nikaustr (S, L) (1560 B)