User blog comment:Kite in rainbow/Kite in rainbow's bracket-comma notation,it can easily beyond ψ(I)!/@comment-2033667-20160117095637/@comment-2033667-20160118022346

Another question regarding this bit:


 * (2)if both have the same number of "outside" comma,let x=u,v y=s,t if u>s then x>y if u=s and v>t then x>y

What is meant by x = u,v and y = s,t?