N 68 115 79 127 0
K 120 115 128 127 0
A 145 115 155 127 0
L 246 115 253 127 0
B 46 91 54 103 0
I 69 91 77 103 0
C 95 91 103 103 0
C 119 91 127 103 0
Y 145 91 154 103 0
D 169 91 179 103 0
I 195 91 203 103 0
T 218 91 228 103 0
Z 245 91 255 103 0
I 269 91 277 103 0
I 45 65 49 77 0
I 45 65 54 77 0
O 68 65 79 77 0
L 96 65 103 77 0
I 119 65 127 77 0
E 146 65 153 77 0
D 169 65 179 77 0
P 197 65 204 77 0
B 220 65 228 77 0
H 245 65 255 77 0
O 268 65 279 77 0
S 295 65 304 77 0
I 45 41 53 53 0
I 69 41 77 53 0
L 96 41 103 53 0
V 120 41 129 53 0
E 146 41 153 53 0
V 170 41 179 53 0
N 194 41 205 53 0
U 219 41 229 53 0
Y 245 41 254 53 0
Z 269 41 279 53 0
L 296 41 303 53 0
T 18 15 28 27 0
S 45 15 54 27 0
E 70 15 77 27 0
C 95 15 103 27 0
I 119 15 123 27 0
I 119 15 128 27 0
E 146 15 153 27 0
N 168 15 179 27 0
E 196 15 203 27 0
O 218 15 229 27 0
T 244 15 254 27 0
Y 269 15 278 27 0
U 295 15 305 27 0
E 320 15 327 27 0
[download]

I can parse that using something like:

for my $line (split "\n", $boxdata) {
    my ($chr, $x1, $y1, $x2, $y2, $page) = $line =~ m{
       ^ (\S) \ (\d+) \ (\d+) \ (\d+) \ (\d+) \ (\d+) $
    }x;
}
[download]

my @grid = (
    [split '', '  N KA   L   '],
    [split '', ' BICCYDITZI  '],
    [split '', ' ROLIEDPBHOS '],
    [split '', ' IILVEVNUYZL '],
    [split '', 'TSECRENEOTYUE'],
);
p @grid;

[
    [0] [
        [0]  " ",
        [1]  " ",
        [2]  "N",
        [3]  " ",
        [4]  "K",
        [5]  "A",
        [6]  " ",
        [7]  " ",
        [8]  " ",
        [9]  "L",
        [10] " ",
        [11] " ",
        [12] " "
    ],
    [1] [
        [0]  " ",
        [1]  "B",
        [2]  "I",
        [3]  "C",
        [4]  "C",
        [5]  "Y",
        [6]  "D",
        [7]  "I",
        [8]  "T",
        [9]  "Z",
        [10] "I",
        [11] " ",
        [12] " "
    ],
    [2] [
        [0]  " ",
        [1]  "R",
        [2]  "O",
        [3]  "L",
        [4]  "I",
        [5]  "E",
        [6]  "D",
        [7]  "P",
        [8]  "B",
        [9]  "H",
        [10] "O",
        [11] "S",
        [12] " "
    ],
    [3] [
        [0]  " ",
        [1]  "I",
        [2]  "I",
        [3]  "L",
        [4]  "V",
        [5]  "E",
        [6]  "V",
        [7]  "N",
        [8]  "U",
        [9]  "Y",
        [10] "Z",
        [11] "L",
        [12] " "
    ],
    [4] [
        [0]  "T",
        [1]  "S",
        [2]  "E",
        [3]  "C",
        [4]  "R",
        [5]  "E",
        [6]  "N",
        [7]  "E",
        [8]  "O",
        [9]  "T",
        [10] "Y",
        [11] "U",
        [12] "E"
    ]
]
[download]