paths.js

const getKnightPath = (boardSize) => {
  const paths = {
    5: [
      [0, 0], [2, 1], [0, 2], [1, 4], [3, 3],
      [4, 1], [2, 0], [0, 1], [1, 3], [3, 4],
      [4, 2], [3, 0], [1, 1], [0, 3], [2, 2],
      [1, 0], [3, 1], [4, 3], [2, 4], [1, 2],
      [0, 4], [2, 3], [4, 4], [3, 2], [4, 0]
    ],
    6: [
      [0, 0], [2, 1], [0, 2], [2, 3], [0, 4], [2, 5],
      [4, 4], [5, 2], [4, 0], [3, 2], [1, 1], [0, 3],
      [1, 5], [3, 4], [5, 5], [4, 3], [5, 1], [3, 0],
      [4, 2], [5, 4], [3, 5], [1, 4], [3, 3], [1, 2],
      [2, 0], [0, 1], [1, 3], [0, 5], [2, 4], [4, 5],
      [5, 3], [4, 1], [2, 2], [1, 0], [3, 1], [5, 0]
    ],
    7: [
      [0, 0], [2, 1], [0, 2], [2, 3], [0, 4], [2, 5], [0, 6],
      [1, 4], [3, 3], [1, 2], [3, 1], [1, 0], [2, 2], [0, 1],
      [2, 0], [4, 1], [6, 0], [5, 2], [4, 0], [6, 1], [4, 2],
      [5, 0], [6, 2], [4, 3], [2, 4], [1, 6], [3, 5], [5, 4],
      [4, 6], [6, 5], [5, 3], [3, 2], [1, 3], [0, 5], [2, 6],
      [3, 4], [1, 5], [0, 3], [1, 1], [3, 0], [5, 1], [6, 3],
      [5, 5], [3, 6], [4, 4], [5, 6], [6, 4], [4, 5], [6, 6]
    ],
    8: [
      [0, 0], [2, 1], [4, 2], [6, 3], [7, 5], [6, 7], [4, 6], [2, 7],
      [0, 6], [1, 4], [3, 5], [5, 6], [7, 7], [6, 5], [5, 7], [3, 6],
      [1, 7], [0, 5], [2, 6], [4, 7], [5, 5], [7, 6], [6, 4], [4, 5],
      [6, 6], [5, 4], [3, 3], [2, 5], [3, 7], [1, 6], [0, 4], [1, 2],
      [2, 4], [0, 3], [1, 1], [3, 0], [2, 2], [1, 0], [0, 2], [2, 3],
      [4, 4], [3, 2], [4, 0], [6, 1], [7, 3], [5, 2], [7, 1], [5, 0],
      [3, 1], [4, 3], [5, 1], [7, 0], [6, 2], [7, 4], [5, 3], [7, 2],
      [6, 0], [4, 1], [2, 0], [0, 1], [1, 3], [3, 4], [1, 5], [0, 7]
    ]
  };

  return paths[boardSize] || [];
};