From this tweet: https://twitter.com/wesbos/status/1337453660482187268

wes_bos_2020_12_11.js

const arr1 = [
    ["name", "id", "age", "weight", "cool"],
    ["Susan", "3", "20", "120", true],
    ["John", "1", "21", "150", true],
    ["Bob", "2", "23", "90", false],
    ["Ben", "4", "20", "100", true],
];

const arr2 = [
    ["name", "id", "height"],
    ["Bob", "2", "50"],
    ["John", "1", "45"],
    ["Ben", "4", "43"],
    ["Susan", "3", "48"],
];

const arr3 = [
    ["name", "id", "parent"],
    ["Bob", "2", "yes"],
    ["John", "1", "yes"],
];