var arr = [ [1,2,34,56,456,45,53],
            [3,4,13,56,22,45,34],
            [7,20,54,56,890,45,78]
          ];
console.table(arr);

var multi = [
  {name: "Петя", year: 12},
  {name: "Вася", year: 13},
  {name: "Коля", year: 14}
];
console.table(multi);

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