Why does pale cyan 45 go first?

It immediately clears the pond background and exposes more cyan cards that can share the same opening route.

What follows the first cyan wave?

Dark green 20 opens the outline, then red 44 and peach 27 clear the mouth and throat before the broad green body phase.

Colony Flow! level guide

hard 8 colors

Clear the side-view frog in three phases: pale-cyan pond routes, red 44 and peach 27 facial details, then the layered green body and leaves.

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Start pale cyan 45 to cut the exposed pond edge.
Add pale-cyan 40 and 30 as they surface, but stop before the tray becomes entirely cyan.
Feed dark green 20 through the first returning cyan hole to open the frog outline.
Route red 44 next, then peach 27, so the mouth and throat clear in the order they appear.
Pair cyan 47 with green 35 while the upper pond and first body band remain connected.
Use the next cyan 40 beside green 20 rather than stacking it behind another long cyan route.
Clear the short dark and peach facial fragments before starting the broad lime body cards.
Work the layered green body from the head toward the rear leg, then remove the pond-leaf greens.
Finish the final pale-cyan edge and wait for the last green ants to leave the frame.

Colors in this level:

Pale cyan, Cyan, Dark green, Green, Lime, Red, Peach, Dark purple

Filling every hole with cyan leaves no landing place for red 44 when the mouth layer opens.
Launching several long green cards together can stall the last cyan and peach details.

Board notes 5 details

Layout: A side-view green frog fills a pale-cyan pond scene with white-and-dark eyes, a red mouth, peach throat, lime highlights and dark-green outlines. Five white buffer holes face pale cyan 45; the visible queue continues with dark green 20, cyan 8, pale cyan 40/30, peach 27 and green 35.
Goal: Route cyan, green, red, peach and dark cubes to matching holes until the pond background, mouth, throat, body and lily-pad regions leave a blank frame.
Opening: Tap pale cyan 45, then feed pale-cyan 40 and 30 into returned holes before introducing dark green 20.
Danger Zone: The early cyan wave can occupy most of the five-hole tray while red 44 waits underneath. Keep a slot open for red and peach as the mouth exposes.
Mechanics: A five-buffer perimeter-traffic board transitions from cyan background to red/peach face details and finally layered green body regions.

Why does pale cyan 45 go first?
It immediately clears the pond background and exposes more cyan cards that can share the same opening route.
What follows the first cyan wave?
Dark green 20 opens the outline, then red 44 and peach 27 clear the mouth and throat before the broad green body phase.