array(2) {
[0]=>
array(1) {
[431]=>
array(1) {
[0]=>
string(3) "914"
}
}
[1]=>
array(1) {
[432]=>
array(2) {
[0]=>
string(3) "922"
[1]=>
string(3) "923"
}
}
}
array(2) {
[0]=>914 and 922
[1]=>914 and 923
}