Background loop coding problem

I resized the overlay, but it didn’t work:

EXT. SKY-SUNSET with SKY-SUNSET to 1.625 0 0 in zone 1 at layer -5

&overlay SKY-SUNSET_2 create from SKY-SUNSET and overlay SKY-SUNSET_2 opacity 1 in 0
&overlay SKY-SUNSET_2 scales to 1.625 1.625 in 0 and overlay SKY-SUNSET_2 shifts to 0 0 in zone 2 in 0 and overlay SKY-SUNSET_2 to layer -6

&overlay SKY-SUNSET shifts to -640 0 in 0.5 THEN overlay SKY-SUNSET shifts to -960 0 in 0.25 THEN overlay SKY-SUNSET shifts to 0 0 in zone 2 in 0 THEN overlay SKY-SUNSET shifts to 0 0 in zone 2 in 0.5 THEN overlay SKY-SUNSET shifts to 0 0 in 0.25 THEN overlay SKY-SUNSET shifts to 0 0 in 0 loop INFINITE times
&overlay SKY-SUNSET_2 shifts to 0 0 in zone 2 in 0.5 THEN overlay SKY-SUNSET_2 shifts to 0 0 in 0.25 THEN overlay SKY-SUNSET_2 shifts to 0 0 in 0 THEN overlay SKY-SUNSET_2 shifts to -640 0 in 0.5 THEN overlay SKY-SUNSET_2 shifts to -960 0 in 0.25 THEN overlay SKY-SUNSET_2 shifts to 0 0 in zone 2 in 0 loop INFINITE times

overlay: