[ Sequence ] by: [ Sequence ]

>> x := Sequence ← ['A'] ; ['B'] ; ['C'].
 >> y := Sequence ← 1 ; 2 ; 3.
 >> z := x by: y.
 Out write: z, stop.

(List new) put:['C'] at:['3'], put:['B'] at:['2'], put:['A'] at:['1']