I am looking for a 'stair' or 'stairway' symbol that I can use in math mode to denote a stair-like curve, for example to be used as an integration path. I have included some pictures as examples below:

[![enter image description here](https://i.stack.imgur.com/vGwzN.jpg)](https://i.stack.imgur.com/vGwzN.jpg)

[![enter image description here](https://i.stack.imgur.com/bM85W.png)](https://i.stack.imgur.com/bM85W.png)

[![enter image description here](https://i.stack.imgur.com/JlRZq.png)](https://i.stack.imgur.com/JlRZq.png)

and for "full" stairs:

[![enter image description here](https://i.stack.imgur.com/XlEhy.png)](https://i.stack.imgur.com/XlEhy.png)

[![enter image description here](https://i.stack.imgur.com/vfAWv.png)](https://i.stack.imgur.com/vfAWv.png)

[![enter image description here](https://i.stack.imgur.com/zaCkH.png)](https://i.stack.imgur.com/zaCkH.png)

Feel free to add more appropriate tags.