{ "four": [
  {"x": 0, "y": 0},
  {"x": 0, "y": 1},
  {"x": 1, "y": 1},
  {"x": 2, "y": 2},
  {"x": 2, "y": 3},
  {"x": 2, "y": 2},
  {"x": 2, "y": 0},
  {"x": 2, "y": 1}
],
  "zero": [
    {"x": 0, "y": 0},
    {"x": 0, "y": 1},
    {"x": 0, "y": 2},
    {"x": 0, "y": 3},
    {"x": 1, "y": 0},
    {"x": 2, "y": 2},
    {"x": 2, "y": 3},
    {"x": 2, "y": 2},
    {"x": 2, "y": 0},
    {"x": 2, "y": 1},
    {"x": 1, "y": 3}
  ]
}