Arduino LED Mastermind Game

I need an Arduino project using C++ to create a simplified version of the game Mastermind with LED patterns. The project should be completed in 5 hours.

Requirements:
- Use Tinkercad for simulation
- Implement LED patterns to light up three dots according to the game's rules

Ideal Skills & Experience:
- Proficiency in Arduino programming with C++
- Experience with LED patterns
- Familiarity with Tinkercad

Please provide your experience and approach to this task.