graph TD A[TShirtRanker Start] --> B[Receive Filtered Listings] subgraph SILO1[Load & Sort] B --> C[SKILL #223: Sort Listings] C --> D[Apply Sort Criteria] D --> |Primary| E[Sort by BSR] D --> |Secondary| F[Sort by Rating] D --> |Tertiary| G[Sort by Review Count] D --> |Quaternary| H[Sort by Price] E & F & G & H --> I[Generate Sorted Array] end subgraph SILO2[Prepare Top 5] I --> J[SKILL #223: Extract Top 5] J --> K[Select First 5 Listings] K --> L[Append Ranks 1-5] L --> M[Format Output Structure] end M --> N[Return top5_ranked_listings] N --> O[TShirtRanker End] classDef silo fill:#f9f,stroke:#333,stroke-width:2px class SILO1,SILO2 silo