int(3)
array(3) {
  [0]=>
  int(5)
  [1]=>
  int(6)
  [2]=>
  int(7)
}
int(1)
int(3)
array(3) {
  [0]=>
  int(5)
  [1]=>
  int(6)
  [2]=>
  int(7)
}
int(1)
int(3)
array(3) {
  [0]=>
  int(5)
  [1]=>
  int(6)
  [2]=>
  int(7)
}
int(1)
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(1)
  [2]=>
  int(1)
}
int(3)
array(3) {
  [0]=>
  int(5)
  [1]=>
  int(6)
  [2]=>
  int(7)
}
int(1)
int(5)
int(6)
int(7)
int(1)
int(5)
int(6)
int(7)
int(1)
int(5)
int(6)
int(7)
int(1)
int(5)
int(6)
int(7)
int(1)