Shapes are sorted according to a simple rule that uniquely determines where everything goes vs. shapes are sorted according to some other rule (or lack thereof).

Shapes are sorted according to a simple rule that uniquely determines where everything goes vs. shapes are sorted according to some other rule.

Shapes sorted according to a simple rule that uniquely determines where everything goes vs. they are partitioned according to some other rule.

Shapes are partitioned according a simple rule that uniquely determines where everything goes vs. they are partitioned according to some other rule.

Leo Crabbe