Raul Miller wrote:
>  I do want them to be homogeneous in shape, but I also want
>  symmetric treatment of the array bounds, where that is
>  practical.

Ah, ok, so to extend my earlier example, would  magiCut  work like this?

           2 2 <magiCut i. 3 3
        +----+-----+-----+----+
        |0  0| 0  0| 0  0| 0 0|
        |0 10|10 11|11 12|12 0|
        +----+-----+-----+----+
        |0 10|10 11|11 12|12 0|
        |0 13|13 14|14 15|15 0|
        +----+-----+-----+----+
        |0 13|13 14|14 15|15 0|
        |0 16|16 17|17 18|18 0|
        +----+-----+-----+----+
        |0 16|16 17|17 18|18 0|
        |0  0| 0  0| 0  0| 0 0|
        +----+-----+-----+----+
           
If so, I can think of some approaches to take.

-Dan
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