array(2) {
  [1]=>
  array(2) {
    [0]=>
    int(1633)
    [1]=>
    int(2772)
  }
  [9]=>
  array(5) {
    [0]=>
    int(2814)
    [1]=>
    int(2941)
    [2]=>
    int(2977)
    [3]=>
    int(7488)
    [4]=>
    int(9414)
  }
}