array(23) { [0]=> string(1) "4" [4]=> string(1) "A" [32]=> string(1) "B" [66]=> string(1) "C" [131]=> string(1) "D" [153]=> string(1) "E" [171]=> string(1) "F" [207]=> string(1) "G" [233]=> string(1) "H" [288]=> string(1) "I" [308]=> string(1) "K" [320]=> string(1) "L" [448]=> string(1) "M" [494]=> string(1) "N" [500]=> string(1) "O" [505]=> string(1) "P" [549]=> string(1) "Q" [557]=> string(1) "R" [605]=> string(1) "S" [681]=> string(1) "T" [712]=> string(1) "U" [716]=> string(1) "Y" [720]=> string(1) "Z" }