orsi fu'ivla

x1 is an ordered tuple/sequence of x2 (li) members, namely x3, x4, x5 ...

This brivla has 2 more arguments than the number specified as x2. x3, x4, x5... are in order. Useful for lujvo; can be used with a number, for example: rely'orsi.

In notes:

rely'orsi
x1 is a sequence of 2 members: x2 and x3; x1 is an ordered pair of x2 and x3