flowchart LR
  Start[Start]
  Stop[Stop]
  Start --> EQ([<tt>=</tt>]) --> Stop
  Start --> NE([<tt>&lt;&gt;</tt>]) --> Stop
  Start --> GT([<tt>&gt;</tt>]) --> Stop
  Start --> GE([<tt>&gt;=</tt>]) --> Stop
  Start --> LT([<tt>&lt;</tt>]) --> Stop
  Start --> LE([<tt>&lt;=</tt>]) --> Stop

  style Start fill:#44E
  style Stop fill:#E44