const arr = [
[
{
id: 1,
name: 'test',
test: 'test'
},
{
id: 2,
name: 'test2',
test: 'test2'
},
{
id: 3,
name: 'test3',
test: 'test3'
}
],
[
{
id: 4,
name: 'test4',
test: 'test4'
},
{
id: 5,
name: 'test5',
test: 'test5'
},
{
id: 6,
name: 'test3',
test: 'test3'
}
]
]