func contains a[] b .
   for a in a[] : if a = b : return 1
   return 0
.
func gcd a b .
   if b = 0 : return a
   return gcd b (a mod b)
.
starts[] = [ 2 5 7 9 10 ]
len ekg[][] 5
for s to 5
   ekg[s][] = [ 1 starts[s] ]
   for n = 2 to 10
      for i = 2 to 1 / 0
         if contains ekg[s][] i = 0 and gcd ekg[s][n], i > 1
            ekg[s][] &= i
            break 1
         .
      .
   .
   print ekg[s][]
.