[ Sequence ] by: [ Sequence ]

☞ x ≔ Sequence ← ‘A’ ; ‘B’ ; ‘C’.
☞ y ≔ Sequence ← 1 ; 2 ; 3.
☞ z ≔ x by: y.
✎ write: z, stop.
(List new) put:‘C’ at:‘3’, put:‘B’ at:‘2’, put:‘A’ at:‘1’