Why must every lock wait for two empty pads on Level 230?

Each lock can expose another stem, leaf, or sky route, and two spare pads keep that route from colliding with the active flower colors.

What should separate cyan 45 from a petal wave?

Cream 30 or yellow 25 support, followed by one reduced flower or sky route.

Colony Flow! level guide

expert 7 colors

Open green 16, cream 36 and orange 42, then alternate sunflower and sky lanes while reserving two pads for each yellow, cyan, and green lock.

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Tap green 16, then route cream 36 and orange 42; wait for the short opening lanes to leave.
Use cream 30 or yellow 25 support before launching cyan 45 or another petal route.
Clear one flower-petal lane and one cyan sky lane in alternation, keeping a pair of pads free for locks.
Open a yellow, cyan, or green lock only with two empty pads, then clear its revealed stem/leaf or sky route before opening another lock.
Alternate the final yellow petals, cyan clouds, cream center, and green leaves; finish the small right-side green detail last.

Colors in this level:

Yellow, Cyan, Green, Cream, Orange, White, Grey

Do not reveal a lock while a fresh cyan lane and flower-petal lane are both active.
Do not open multiple locks before clearing the first revealed matching-color route.

Board notes 5 details

Layout: Large yellow sunflower with cream center, green stem and leaves, cyan sky, white clouds, and a small right-side green detail. Early cards include green 16/20, cream 36/30, orange 42, yellow 25/45, cyan 45/40, grey 13, and yellow/cyan/green locks.
Goal: Clear the cyan sky and clouds, yellow petals, cream center, green stem and leaves, and small right-side detail.
Opening: Tap green 16, then use cream 36 and orange 42; place cream 30 or yellow 25 before a cyan 45 or another petal lane.
Danger Zone: Yellow 25/45, cyan 45/40, green stem traffic, and three lock colors can overlap and strand the leaves below the flower.
Mechanics: Sunflower board with yellow, cyan, and green locks; wide petals and cloud lanes must be separated from the lock-gated stem and leaf routes.

Why must every lock wait for two empty pads on Level 230?
Each lock can expose another stem, leaf, or sky route, and two spare pads keep that route from colliding with the active flower colors.
What should separate cyan 45 from a petal wave?
Cream 30 or yellow 25 support, followed by one reduced flower or sky route.