sample.py

import numpy as np

sample_mat2 = np.array(
    [[0, 20, 16, 17, 24], [23, 0, 30, 30, 35], [14, 30, 0, 16, 29], [14, 30, 17, 0, 13], [24, 34, 31, 14, 0]]
)

sample_mat = np.array(
    [
        [
            0,
            6,
            9,
            8,
            7,
        ],
        [
            31,
            0,
            33,
            28,
            27,
        ],
        [
            29,
            28,
            0,
            31,
            30,
        ],
        [
            18,
            13,
            21,
            0,
            11,
        ],
        [
            37,
            32,
            40,
            31,
            0,
        ],
    ]
)

sample_tw = [
    (0, 60 * 8),  # depot
    (0, 120),
    (120, 150),
    (180, 210),
    (0, 180),
]