VAMPIRE BAT

1. In the center, swap the separated orbs with the skulls to clear their columns; this will also clear the skulls in the center.
2. In the right column, swap the skull above the yellow orb down to clear skulls and drop the yellow orb to the bottom.
3. In the right column, swap the yellow orb left to clear a row of yellow, then a row of blue.
4. In the right column, swap the skull below the blue orb up to clear skulls and drop the blue orb to the bottom.
5. Clear the blue orbs.
6. In the left column, swap the skull above the lower yellow orb down to clear skulls and drop the yellow orb to the bottom.
7. In the left column, swap the yellow orb right to clear a row of yellow.
8. Clear the skulls.
9. Clear the yellow orbs.