[
  [
    [1,1],[1,1],[1,2],[1,3],[1,4],[1,4],[2,4],[3,4],[4,4],[5,4],[5,4],[5,3],[5,2],[5,1],[5,1],[4,1],[3,1],[2,1],[1,1]
  ],
  [
    [1.2,2],[2,1.2],[3,1.2],[4,1.2],[4.8,2],[4.6,3],[4,3.6],[3,3.6],[2,3.6],[1.4,3],[1.2,2]
  ]
]