Sub Swap (Var1, Var2) Var1 = Var1 Xor Var2 Var2 = Var2 Xor Var1 Var1 = Var1 Xor Var2 End Sub
See: Xor swap algorithm
... 158 households, and 121 families residing in the town. The population density is 19.9/km² (51.6/mi²). There are 205 housing units at an average density of ...