1:	lot		->Size(100, 100 * rand(0.7,1), 70) {new_lot}
2:	new_lot	->Subdiv(Y, 1^, 2^) {bottom | top}
3:	bottom		->Subdiv(X, 1^, 2^) {entrance | columns}
4:	entrance	->Subdiv(Y, 2^, 1^) {entrance_bot | terminal}
5:	entrance_bot->Subdiv(X, 1^, 1^, 1^) {terminal | door | terminal}
6:	columns		->Subdiv(X, 2^, 1^, 4^, 1^) {e | column_t | e | column_t} : 0.5
				->Replace(terminal) : 0.5
7:	column_t	->Subdiv(Z, 1^, 5^, 1^) {column | e | column} : 0.5
				->Replace(column) : 0.5
8:	top			->Subdiv(Y, 1^, 1^, 1^) {floor | floor | floor}
9:	floor		->Subdiv(Y, 1^, 7^) {balcony | floor_main}
10:	balcony		->Size(1^, 1^, 1.2^) {balcony_f}
11:	floor_main	->Subdiv(X, 1^, 1^, 1^, 1^, 1^) {floor_door | window | window | window | window}
12:	floor_door	->Subdiv(X, 1^, 1^, 1^) {terminal | fdoor_t | terminal}
13:	fdoor_t		->Subdiv(Y, 5^, 1^) {fdoor_f | terminal}
14:	window		->Subdiv(X, 1^, 6^, 1^) {terminal | window_t | terminal}
15:	window_t	->Subdiv(Y, 1^, 6^, 1^) {terminal | window_f | terminal}
16: window_f	->Subdiv(X, 1^, 1^, 1^, 1^, 1^) {win_a | win_a | win_a | win_a | win_a}
17: win_a		->Subdiv(Y, 1^, 1^, 1^, 1^, 1^) {win_b | win_b | win_b | win_b | win_b}
18: win_b		->Comp("sidefaces") {win_faces}
19: win_faces	->Subdiv(Y, 1^, 1^, 1^) {terminal | terminal | terminal}

99:	e		->Replace(empty)
end