@ ProgramNode (location: (0...12))
├── locals: []
└── statements:
    @ StatementsNode (location: (0...12))
    └── body: (length: 3)
        ├── @ IntegerNode (location: (0...3))
        │   └── flags: decimal
        ├── @ IntegerNode (location: (5...8))
        │   └── flags: decimal
        └── @ IntegerNode (location: (10...12))
            └── flags: decimal
