The problem specifies 10 elves

imperative/examples/santa.rkt

@@ -13,7 +13,7 @@
 (assertion-struct problem-resolved (id))
 (assertion-struct deliver-toys ())
 
-(define N-ELVES 20)
+(define N-ELVES 10)
 (define ELF-GROUP-SIZE 3)
 (define N-REINDEER 9)
 

js/compiler/demo-santa.js

@@ -78,7 +78,7 @@ function reindeer() {
 ground dataspace {
   Syndicate.Timer.spawnTimerDriver();
 
-  var nElves = 20;
+  var nElves = 10;
   var elfGroupSize = 3;
   var nReindeer = 9;