data.json

[
    {
        "id": 1,
        "name": "Петя",
        "friends": [10,2,6]
    },
    {
        "id": 2,
        "name": "Вася",
        "friends": [5,1,3]
    },
    {
        "id": 3,
        "name": "Оля",
        "friends": [9,4,3]
    },
    {
        "id": 4,
        "name": "Максим",
        "friends": [11,12,2]
    },
    {
        "id": 5,
        "name": "Елена",
        "friends": [7,8,4]
    },
    {
        "id": 6,
        "name": "Иван",
        "friends": [6,1,12]
    },
    {
        "id": 7,
        "name": "Никита",
        "friends": [1,8,5]
    },
    {
        "id": 8,
        "name": "Марат",
        "friends": [11,12,10]
    },
    {
        "id": 9,
        "name": "Анатолий",
        "friends": [1,2,3]
    },
    {
        "id": 10,
        "name": "Наташа",
        "friends": [8,4,2]
    },
    {
        "id": 11,
        "name": "Марина",
        "friends": [1,5,8]
    },
    {
        "id": 12,
        "name": "Кирилл",
        "friends": [5,2,12]
    }
]