clip1.dv \
-transition \
region:circle \
-composite.geometry="10%,10%:20%x20%;33=30%,70%:25%x25%;66=70%,30%:15%x15%;-1=70%,70%:20%x20%" \
+composite.geometry="10%,10%:20%x20%;33=30%/70%:25%x25%;66=70%/30%:15%x15%;-1=70%/70%:20%x20%" \
composite.out=100 \
composite.softness=0.1 \
a_track=0 \