[
    [
        'id' => 1,
        'name_lv1' => 'Parent0',
        'name_lv2' => null,
        'name_lv3' => null,
        'name_lv4' => null,
        'name_lv5' => null,
    ],
    [
        'id' => 2,
        'name_lv1' => 'Parent1',
        'name_lv2' => null,
        'name_lv3' => null,
        'name_lv4' => null,
        'name_lv5' => null,
    ],
    [
        'id' => 3,
        'name_lv1' => 'Parent1',
        'name_lv2' => 'Childen_1_1',
        'name_lv3' => null,
        'name_lv4' => null,
        'name_lv5' => null,
    ],
    [
        'id' => 4,
        'name_lv1' => 'Parent1',
        'name_lv2' => 'Childen_1_1',
        'name_lv3' => 'Childen_2_1',
        'name_lv4' => null,
        'name_lv5' => null,
    ],
    [
        'id' => 5,
        'name_lv1' => 'Parent1',
        'name_lv2' => 'Childen_1_1',
        'name_lv3' => 'Childen_2_1',
        'name_lv4' => 'Childen_3_1',
        'name_lv5' => null,
    ],
    [
        'id' => 6,
        'name_lv1' => 'Parent1',
        'name_lv2' => 'Childen_1_1',
        'name_lv3' => 'Childen_2_1',
        'name_lv4' => 'Childen_3_1',
        'name_lv5' => 'Childen_4_1',
    ],
    [
        'id' => 7,
        'name_lv1' => 'Parent1',
        'name_lv2' => 'Childen_1_1',
        'name_lv3' => 'Childen_2_1',
        'name_lv4' => 'Childen_3_1',
        'name_lv5' => 'Childen_4_2',
    ],
    [
        'id' => 8,
        'name_lv1' => 'Parent2',
        'name_lv2' => null,
        'name_lv3' => null,
        'name_lv4' => null,
        'name_lv5' => null,
    ],
    [
        'id' => 9,
        'name_lv1' => 'Parent2',
        'name_lv2' => 'Childen_1_2',
        'name_lv3' => null,
        'name_lv4' => null,
        'name_lv5' => null,
    ],
]