note

[
  [0,1,0,0],
  [1,1,1,0],
  [0,1,0,0],
  [1,1,0,0]
],
  [
    [0,1,0,0],
    [0,1,0,0],
    [0,0,0,0],
    [0,0,0,0]
  ]