Maze a20

http://areamaze.com/m/a20

2345242818?

{:rects
 {[0 2] {[0 1] 24},
  [1 2] {[1 3] 28},
  [2 3] {[0 2] 18},
  [2 4] {[2 3] nil}},
 :edges {:x {[0 1] 2, [3 4] 3}, :y {[0 1] 4, [2 3] 5}},
 :target {:type :rect, :x [2 4], :y [2 3]}}