﻿stateDiagram-v2
    A --> B: 6
    A --> C: 1
    B --> C: 2
    C --> D: 2
    D --> E: 6
    E --> F: 7
    F --> G: 4
    J --> K: 6
    K --> L: 1
    M --> N: 2
    K --> N: 2
