Why are there still cubes after the main cluster breaks apart?

The shape change only re-presents the remaining board. Continue using the target row until the isolated pale blue pieces are cleared.

Can I tap any yellow or green face at the start?

Tap only exposed faces that match the active target and current orientation; the cluster can show similar colors on different sides.

Cube Tap Sort level guide

hard 12 colors

Break Level 27's dense color cluster from yellow and green through the refreshed route and clear the final pale blue cubes.

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Clear the exposed front yellow 9 and green 6 groups from the opening target row.
After the cluster contracts automatically, follow the red/purple and cyan/blue groups on the new faces.
On the shallower center, take pink from the exposed front cluster, then use the refreshed boxes for the remaining mixed-color side faces.
When the cluster becomes isolated cubes, keep those pieces in the route; a pale blue single is still an active target, not a solved fragment.
Clear the final pale blue remnant at the lower end after its target appears, then wait for WELL DONE.

Colors in this level:

Yellow, Green, Red, Purple, Cyan, Blue, Pink, Orange, Peach, Gray, Lavender, Lime

Start with yellow 9 and green 6 on the exposed front of the cluster.
After each automatic contraction, use the refreshed row instead of tapping a same-colored rear face.
Keep solving until the isolated pale blue end pieces clear; they are not decoration.

Board notes 5 details

Layout: The opening board is a dense irregular 3D cluster of patterned cubes. Yellow 9 and green 6 are active, and the buffer row is empty.
Goal: Follow the refreshed route through red, purple, cyan, blue, pink, and other mixed colors before clearing the pale blue end structure.
Opening: Clear the exposed yellow 9 and green 6 groups before working deeper into the cluster.
Danger Zone: Several sides can show the same color, while late isolated pale blue cubes remain active pieces after the main cluster contracts.
Mechanics: A dense free-standing cluster contracts automatically through several shapes and ends as a few isolated pale blue cubes; no manual swipe is introduced. The last singles remain governed by the target row.

Why are there still cubes after the main cluster breaks apart?
The shape change only re-presents the remaining board. Continue using the target row until the isolated pale blue pieces are cleared.
Can I tap any yellow or green face at the start?
Tap only exposed faces that match the active target and current orientation; the cluster can show similar colors on different sides.