export function dataProviderForTravelingSalesman(): Array<[number[][]]> {
  return [
    [
      [
        [0, 10, 15, 20],
        [10, 0, 35, 25],
        [15, 35, 0, 30],
        [20, 25, 30, 0],
      ],
    ],
    [
      [
        [0, 2, 9, 10],
        [1, 0, 6, 4],
        [15, 7, 0, 8],
        [6, 3, 12, 0],
      ]
    ],
    [
      [
        [0, 29, 20, 21],
        [29, 0, 15, 17],
        [20, 15, 0, 28],
        [21, 17, 28, 0],
      ],
    ],
    [
      [
        [0, 3, 4, 2],
        [3, 0, 4, 6],
        [4, 4, 0, 7],
        [2, 6, 7, 0],
      ],
    ],
    [
      [
        [0, 1, 2, 3, 4],
        [1, 0, 5, 6, 7],
        [2, 5, 0, 8, 9],
        [3, 6, 8, 0, 10],
        [4, 7, 9, 10, 0],
      ],
    ],
  ];
}