array(2) {
  [1]=>
  array(1) {
    [0]=>
    int(2772)
  }
  [9]=>
  array(5) {
    [0]=>
    int(2934)
    [1]=>
    int(9241)
    [2]=>
    int(9280)
    [3]=>
    int(9312)
    [4]=>
    int(9338)
  }
}