string(2) "C1"
int(0)
int(1)
string(2) "C1"
int(0)
int(1)
string(2) "D2"
int(0)
int(1)
string(2) "C1"
int(0)
int(1)
string(2) "C1"
int(0)
int(1)
string(2) "D2"
int(0)
int(1)
string(2) "C1"
int(0)
int(1)
string(2) "C1"
int(0)
int(1)
string(2) "D2"
int(0)
int(1)
string(2) "C1"
int(0)
int(1)
string(2) "C1"
int(0)
int(1)
string(2) "D2"
int(0)
int(1)
string(2) "C1"
int(0)
int(1)
string(2) "C1"
int(0)
int(1)
string(2) "D2"
int(0)
int(1)
string(2) "C1"
int(0)
int(1)
string(2) "C1"
int(0)
int(1)
string(2) "D2"
int(0)
int(1)
array(2) {
  [2]=>
  int(11)
  [3]=>
  int(13)
}