>>>A 000
>>>B 001
>>>C 002
>>>D 010
>>>E 011
>>>F 012
>>>G 020
>>>H 021
>>>I 100
>>>J 022
>>>K 101
>>>L 102
>>>M 110
>>>N 111
>>>O 120
>>>P 121
>>>Q 200
>>>R 201
>>>S 202
>>>T 210
>>>U 211
>>>V 221
>>>W 212
>>>X 220
>>>Y 222
>>>Z 122
>>>$ 112
>>>
>>>Not sure of accuracy...
>>
>>is this 010 like 3#010 same value as decimal 3?
>
>Doesn't look like proper ternary system. In ternary, the largest number is 3#222=10#(2*9+2*3+2)=10#26, so Z should be 221 and $ 222. Unless someone deliberately put Y at the end, and Z between P and Q, this seems to be out of order.

I still hope that Tracy gives a source ...