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+# PICT Examples Reference
+
+> **Note**: This is a placeholder file. Comprehensive examples are coming soon!
+> 
+> For now, check out the [examples directory](../examples/) for complete real-world examples.
+
+## Available Examples
+
+### Complete Examples
+- **[ATM System Testing](../examples/atm-specification.md)**: Comprehensive banking ATM system with 31 test cases
+
+### Coming Soon
+
+#### Software Testing
+- Function testing with multiple parameters
+- API endpoint testing
+- Database query validation
+- Algorithm testing
+
+#### Web Applications
+- Form validation
+- User authentication
+- E-commerce checkout
+- Shopping cart operations
+
+#### Configuration Testing
+- System configurations
+- Feature flags
+- Environment settings
+- Browser compatibility
+
+#### Mobile Testing
+- Device and OS combinations
+- Screen sizes
+- Network conditions
+- Permissions
+
+## Pattern Library (Coming Soon)
+
+### Common Constraint Patterns
+
+```
+# Dependency constraints
+IF [FeatureA] = "Enabled" THEN [FeatureB] = "Enabled";
+
+# Exclusive options
+IF [PaymentMethod] = "Cash" THEN [InstallmentPlan] = "None";
+
+# Platform limitations
+IF [OS] = "iOS" THEN [Browser] IN {Safari, Chrome};
+
+# Environment restrictions
+IF [Environment] = "Production" THEN [LogLevel] <> "Debug";
+```
+
+### Boundary Value Patterns
+
+```
+# Numeric boundaries
+Age: 0, 17, 18, 64, 65, 100
+
+# Size categories
+FileSize: 0KB, 1KB, 1MB, 100MB, 1GB
+
+# Time periods
+Duration: 0s, 1s, 30s, 60s, 3600s
+```
+
+### Negative Testing Patterns
+
+```
+# Invalid inputs (using ~ prefix in some PICT variants)
+Email: Valid, Invalid, Empty, TooLong
+Password: Strong, Weak, Empty, SpecialChars
+
+# Error conditions
+NetworkStatus: Connected, Slow, Disconnected, Timeout
+```
+
+## Contributing Examples
+
+Have an example to share? We'd love to include it!
+
+1. Create your example following the structure in [examples/README.md](../examples/README.md)
+2. Include:
+   - Original specification
+   - PICT model
+   - Test cases with expected outputs
+   - Learning points
+3. Submit a pull request
+
+See [CONTRIBUTING.md](../CONTRIBUTING.md) for details.
+
+## External Resources
+
+- [Pairwise Testing Tutorial](https://www.pairwisetesting.com/)
+- [NIST Combinatorial Testing Resources](https://csrc.nist.gov/projects/automated-combinatorial-testing-for-software)
+- [Microsoft PICT Examples](https://github.com/microsoft/pict/tree/main/doc)