array(4) {
  [0]=>
  array(2) {
    [0]=>
    array(2) {
      ["start"]=>
      int(1630940400)
      ["end"]=>
      int(1630940400)
    }
    [1]=>
    array(2) {
      ["start"]=>
      int(1632754800)
      ["end"]=>
      int(1633273200)
    }
  }
  [1]=>
  array(3) {
    [0]=>
    array(2) {
      ["start"]=>
      int(1630422000)
      ["end"]=>
      int(1630422000)
    }
    [1]=>
    array(2) {
      ["start"]=>
      int(1630854000)
      ["end"]=>
      int(1630854000)
    }
    [2]=>
    array(2) {
      ["start"]=>
      int(1632150000)
      ["end"]=>
      int(1632150000)
    }
  }
  [2]=>
  array(1) {
    [0]=>
    array(2) {
      ["start"]=>
      int(1632063600)
      ["end"]=>
      int(1632063600)
    }
  }
  [3]=>
  array(0) {
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}