import CW10b._
//println(combine(optimise(load_bff("benchmark.bf"))).length)
//println(combine(optimise(load_bff("mandelbrot.bf"))).length)
assert(combine(optimise(load_bff("benchmark.bf"))).length == 134)
assert(combine(optimise(load_bff("mandelbrot.bf"))).length == 6511)