Ken's Puzzle of the Week

Inverted Addition

  6                  6
  1                  2
+ 2  -> Invert ->  + 1
  9                  9

       On a calculator, the digits 0,1,2,5,6,8,9 can all be inverted and still be readable as numbers.  (6 and 9 become each other and all other digits are unchanged.  In the example at left, the entire column can be inverted and the sum (the lowest row) is still valid.

Can you find an example where at least one summand uses two or more different digits?  All summands should have the same number of digits.  Leading zeros are allowed, and you could use two or more summands (the example uses three.)

Source: Original.
Solutions were received from Denis Borris, Keith Lynch, Mark Rickert, Tony Wang, Joseph DeVincentis and Kevin Haborak.  One solver pointed out that the example is actually a rotated addition, and that a truly inverted addition would allow for 5 to change to 2 (and vice versa) and 3 to remain readable.  Since I did show the example, I expected solutions of that nature and did get them.  There were several varieties, from simply expanding on the example above to actually daring to sum past 10 in some digits.  Here are some examples. 
From Joseph DeVincentis, same when inverted:
065
525+
590

From Mark Rickert: No carry between columns in this discussion of an infinite
    number of solutions.
The top row consists of any combination of 0s, 1s, 2s, 5s, 6s, and 8s..
The bottom row is the same as the top row, but the 6s are replaced with 9s.
There can be any positive number of interior rows.
The interior rows consist of the digits 0, 1, and/or 2 such that for each column:
- if the top/bottom numbers are 0/0, 1/1, 2/2, 5/5, or 8/8, the interior numbers are all 0
- if the top/bottom numbers are 6/9, the interior numbers sum to 3 using the digits
    0, 1, and/or 2.
 
For example:
 
 66860566612   21666506866
 12020011000   00220001001
 11000020100   00102000011
+10010002200  +00011002021
 99890599912   21999509899
 
From Denis Borris:
 An example of four 3-digit numbers:
a: 616:616
b: 121:182
c: 182:121
d: 919:919
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