10is2
Binary
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Wondering what it is ? You aint going to like this but what we have is 5 bytes of binary.(you can groan now!)
8 bits in each byte. White is on (1) Black is off (0) So nibble by nibble, with EBCDIC we get ............... 

10is2

1111 0001
 = F 1 = 1


1111 0000
 = F 0 = 0

1000 1001
 = 8 9 = i

1010 0010
 = A 2 = s


1111 0010
 = F 2 = 2

Which gives us... 1 0 i s 2  ... I said you wouldn’t like it