1. Comments
   1. C1: Inappropriate Information
   2. C2: Obsolete Comment
   3. C3: Redundant Comment
   4. C4: Poorly Written Comment
   5. C5: Commented-Out Code
2. Environment
   1. E1: Build Requires More Than One Step
   2. E2: Tests Require More Than One Step
   3. Subtopic 3
   4. Subtopic 4
   5. Subtopic 5
   6. Subtopic 6
   7. Subtopic 7
3. Functions
   1. F1: Too Many Arguments
   2. F2: Output Arguments
   3. F3: Flag Arguments
   4. F4: Dead Function
4. General
   1. G1: Multiple Languages in One Source File
   2. G2: Obvious Behavior Is Unimplemented
   3. G3: Incorrect Behavior at the Boundaries
   4. G4: Overridden Safeties
   5. G5: Duplication
   6. G6: Code at Wrong Level of Abstraction
   7. G7: Base Classes Depending on Their Derivatives
   8. G8: Too Much Information
   9. G9: Dead Code
   10. G10: Vertical Separation
   11. G11: Inconsistency
   12. G12: Clutter
   13. G13: Artificial Coupling
   14. G14: Feature Envy
   15. G15: Selector Arguments
   16. G16: Obscured Intent
   17. G17: Misplaced Responsibility
   18. G18: Inappropriate Static
   19. G19: Use Explanatory Variables
   20. G20: Function Names Should Say What They Do
   21. G21: Understand the Algorithm
   22. G22: Make Logical Dependencies Physical
   23. G23: Prefer Polymorphism to If/Else or Switch/Case
   24. G24: Follow Standard Conventions
   25. G25: Replace Magic Numbers with Named Constants
   26. G26: Be Precise
   27. G27: Structure over Convention
   28. G28: Encapsulate Conditionals
   29. G29: Avoid Negative Conditionals
   30. G30: Functions Should Do One Thing
   31. G31: Hidden Temporal Couplings
   32. G32: Don’t Be Arbitrary
   33. G33: Encapsulate Boundary Conditions
   34. G34: Functions Should Descend Only One Level of Abstraction
   35. G35: Keep Configurable Data at High Levels
   36. G36: Avoid Transitive Navigation