What does the keyhole cell mean in Level 575?

It is a locked queue cell, not a colored nest or an active tray remainder.

What is the late Level 575 sequence?

The verified tail shows magenta/purple 29 with pink 25, then 17/13 and white 20, followed by purple/magenta 11 and 6 before the reward screen.

Food Hunt: Pixel Puzzle level guide

hard 14 colors

Open the cat with beige 23 and cyan 20, manage the 1500 art counter and keyhole queue cell, and preserve room for the purple 11/6 tail.

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Fresh-tap beige 23 and cyan 20; the active tray shows 21/20, then 19/18, 15/14, 11/10, and 7/6.
Wait for the beige/cyan pair to leave before fresh-tapping beige 30; its active remainder reads 22, then 14, then 6.
Fresh-tap red 25 when a lane opens; the active red card first reads 23. Keep the second beige 30, gray 27/30, green 25, and the keyhole cell in the queue until room exists.
Across the colorful bands, stagger red, gray, green, orange, purple, and pink active cards. Picture values such as 1499, 1493, and 1460 never enter the tray.
Around the cat's face, tie, legs, and tail, preserve a lane for white and gray while the magenta/purple background groups drain.
In the late picture, track magenta/purple 29 with pink 25, then 17/13 and white 20; the remaining purple/magenta card falls 11, then 6, before the frame empties.

Colors in this level:

Beige, Cyan, Red, Gray, Green, Yellow, Orange, Purple, Magenta, Pink, White, Black, Brown, Tan

Counting the 1500 picture counter, 100 icon, or keyhole as an ant nest.
Stacking two large pink/purple fresh groups while the cat's black outline or red tie is still covered.

Board notes 5 details

Layout: A white-and-gray cat in an orange cap and red tie stands over cyan, green, yellow, magenta, pink, tan, and dark bands; a fixed 1500 picture value and a separate 100 icon sit above the art.
Goal: Drain the background bands, cat outline, cap, face, tie, legs, and tail until the late magenta/purple, pink, white, and gray fragments leave an empty frame.
Opening: The front row shows beige 23, beige 30, red 25, beige 30 with cyan 20 below; fresh-tap beige 23 and cyan 20, then read active values 21/20, 19/18, 15/14, 11/10, and 7/6.
Danger Zone: The 1500/100 picture marks and the keyhole queue cell are not nests; repeated beige 30, red 25, gray 27/30, green 25, and magenta/pink groups can still occupy all five lanes.
Mechanics: Five ordinary slots accompany a fixed picture countdown and a locked/keyhole queue cell; the tray only counts colored numbered cards that enter a slot.

What does the keyhole cell mean in Level 575?
It is a locked queue cell, not a colored nest or an active tray remainder.
What is the late Level 575 sequence?
The verified tail shows magenta/purple 29 with pink 25, then 17/13 and white 20, followed by purple/magenta 11 and 6 before the reward screen.