array(2) {
  [1]=>
  array(2) {
    [0]=>
    int(2772)
    [1]=>
    int(6342)
  }
  [9]=>
  array(4) {
    [0]=>
    int(7546)
    [1]=>
    int(9216)
    [2]=>
    int(9310)
    [3]=>
    int(9371)
  }
}