What should you do first in Magic Sort Level 20?

Finish the left-side standard color pair first and leave the empty middle lane free until that anchor exists.

What usually goes wrong in Magic Sort Level 20?

If the middle empty lane is spent on the shell wall too early, the two standard bottles lose their only clean path to finish.

Magic Sort level guide

medium Target: 14 moves 5 colors

Magic Sort Level 20 opens with two short standard bottles and a wall of shell bottles, so the first anchor has to be built in the standard row.

Layout: Two mixed standard bottles sit on the left, a narrow empty lane divides them from three shell bottles on the right, and the board is tighter than it looks.
Goal: Use the left-side standard bottles to make the first clean anchor before the shell wall is allowed to spill into the empty lane.
Opening: Finish the left-side standard color pair first and leave the empty middle lane free until that anchor exists.
Danger Zone: If the middle empty lane is spent on the shell wall too early, the two standard bottles lose their only clean path to finish.
Mechanics: Level-specific mechanic: Two mixed standard bottles sit on the left, a narrow empty lane divides them from three shell bottles on the right, and the board is tighter than it looks. Use the left-side standard bottles to make the first clean anchor before the shell wall is allowed to spill into the empty lane.

First priority: Use the left-side standard bottles to make the first clean anchor before the shell wall is allowed to spill into the empty lane.
Opening rule: Finish the left-side standard color pair first and leave the empty middle lane free until that anchor exists.
Common trap: Letting the shell wall borrow the empty lane before the left-side anchor bottle is done.

Finish the left-side standard color pair first and leave the empty middle lane free until that anchor exists.
Once the anchor is complete, use it to absorb the first shell-side release and clear the empty lane again for the next move.
Keep the board pointed at its real job: Use the left-side standard bottles to make the first clean anchor before the shell wall is allowed to spill into the empty lane.
Close the board without reintroducing the trap: Letting the shell wall borrow the empty lane before the left-side anchor bottle is done.

Colors in this level:

Red, Blue, Yellow, Green, Purple

Letting the shell wall borrow the empty lane before the left-side anchor bottle is done.

What should you do first in Magic Sort Level 20?
Finish the left-side standard color pair first and leave the empty middle lane free until that anchor exists.
What usually goes wrong in Magic Sort Level 20?
If the middle empty lane is spent on the shell wall too early, the two standard bottles lose their only clean path to finish.