2 import M2._

     2 def urbanmain() = {

     3   import M2._

     4 assert(iscore("chess", "caves") == 21)

     5   assert(iscore("chess", "caves") == 21)

     5 assert(iscore("chess", "swiss") == 20)

     6   assert(iscore("chess", "swiss") == 20)

     7 }