"Shuffle" manifests the steps required for 2 distinct equal sets of units arranged in a linear sequence on opposing sides with a single blank position between them to completely interchange their positions given the constraints of:
The total number of steps required for such a transformation (including the starting configuration) = the square of (the number of units per set + 1).
"Shuffle" is effectively an overdetermined puzzle, the object of which is to get the player(s) to realize the pattern and generate the artwork within the timeframe they might plausibly devote to such a problem in the context of an art exhibition. The scale of the piece encourages collaborative and cumulative effort, and turns mathematical problem-solving into performance.