[
  [
    5,
    2,
    4,
    1
  ],
  [
    9,
    4,
    8,
    3
  ],
  [
    6,
    12,
    5,
    13
  ],
  [
    10,
    19,
    9,
    18
  ],
  [
    14,
    20,
    13,
    21
  ],
  [
    16,
    22,
    15,
    1
  ],
  [
    22,
    14,
    21,
    15
  ],
  [
    20,
    16,
    19,
    17
  ],
  [
    18,
    11,
    17,
    10
  ],
  [
    12,
    6,
    11,
    7
  ],
  [
    3,
    8,
    2,
    7
  ]
]

[]