#B2---------------------------------------------- plane p 0 0 0 1 0 0 pcylinder p p 10 20 plane p2 10 0 5 0 0 1 pcylinder p2 p2 5 10 bfuse f p p2 nexplode f f depouille result f 0 0 1 f_4 5 0 0 15 0 0 1 set square 2056.88