C2G2D3A3
C2G2D3A3 is a compact alphanumeric designation used in theoretical models and puzzle contexts to describe a four-component configuration. The string is parsed as four segments without separators: C2, G2, D3, and A3.
In common interpretations, each letter encodes a module type and the following numeral indicates its version,
Usage of this notation appears in puzzle design, systems theory discussions, and theoretical modeling to illustrate
Variants and related notations are common, with similar patterns using different letter designations or different numeric