Right left diagram.
🔗
A-->B B-->C B-->D C-->D
https://p101007003-dot-nitokucom.uc.r.appspot.com/frame/@nitoku.public/rightLeft?tk=pu&us=pu
Right left diagram syntax
https://p101007003-dot-nitokucom.uc.r.appspot.com/frame/@nitoku.design/license?tk=pu&us=pu