---- Confirmed outside space in layouts -----

12 469 472 473 1058 1079 1139 1142 1143 1202 1203 1581 1584 
boardwalk (do not know the layout number)
example 1142 = Basic Zaby Layout 1 with Kitchen V3

--- above the zaby 
+90000x +50000y +90000z
+90000x +50000y 0z
+90000x +50000y -90000z
0x +50000y +90000z
0x +50000y 0z
0x +50000y -90000z
-90000x +50000y +90000z
-90000x +50000y 0z
-90000x +50000y -90000z

--- around the zaby
+90000x 0y +90000z
+90000x 0y 0z
+90000x 0y -90000z
0x 0y +90000z
0x 0y 0z This is inside the city itself, commonly in the second room
0x 0y -90000z
-90000x 0y +90000z
-90000x 0y 0z
-90000x 0y -90000z

--- below the zaby
+90000x -90000y +90000z
+90000x -90000y 0z
+90000x -90000y -90000z
0x -90000y +90000z
0x -90000y 0z 
0x -90000y -90000z
-90000x -90000y +90000z
-90000x -90000y 0z
-90000x -90000y -90000z

---- Limited free space in layouts ----------
Basic Park 1155 1154
L shape 
+90000x +50000y +90000z
+90000x +50000y 0z
+90000x +50000y -90000z
0x +50000y -90000z
-90000x +50000y -90000z