Array ( [1] => 16 [2] => 2 [3] => 10 )
Array ( [1] => 17 [2] => 7 [3] => 12 )
Array ( [1] => Array ( [1] => 16 [2] => 2 [3] => 10 ) [2] => Array ( [1] => 17 [2] => 7 [3] => 12 ) )