Why is charcoal 45 important?

It removes the long submarine outline that must open before several hull and seabed colours can drain.

What remains at the end?

The yellow roof and black-red tower survive after most of the hull, then charcoal 22, yellow 29, blue 5, and the final accent groups clear them.

Food Hunt: Pixel Puzzle level guide

hard 12 colors

Open with blue 15, lavender 16, orange 2, and red 9, preserve room for white and charcoal 45, then clear the submarine hull, seaweed, and tower.

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Tap blue 15, lavender 16, orange 2, and red 9; add white 22 when blue begins draining.
Let blue fall 7 to 3 to 1 and white 22 to 21 to 19, then admit charcoal 45 beside lavender 16, orange 2, and red 9.
Continue charcoal 39 to 17, lavender 16 to 14, orange 2, red 9, and white 16; rotate teal, brown, yellow, green, and cyan through the freed lane to remove the seabed.
Open the hull with orange 42, lavender 7, brown 15, white 7; then orange 20, lavender 5, brown 14, white 2; followed by white 16, cyan 40, brown, and white 5.
Cycle the mid-board white, cyan, yellow, blue, red, orange, and charcoal groups until the tray stabilizes at orange 28, cyan 6, red 9, red 8, white 6. Reduce orange through 27, 24, 22, 20, 16, and 11 while cyan holds 2 and both red groups drain.
Finish orange 6 to 3, cyan 2, red 4 to 2, and red 6 to 5; admit charcoal 22 and yellow 29, then blue 5 and yellow 7 to 10 with the remaining lavender/red groups until the tower and roof vanish.

Colors in this level:

Blue, Cyan, Teal, Green, Yellow, Orange, Red, Purple, Lavender, Brown, White, Charcoal

Filling the fifth slot with teal or yellow before white 22 enters delays both the nose and lower outline.
Treating the two late red groups as one batch obscures the stable orange-cyan-red-red-white cleanup.

Board notes 5 details

Layout: A yellow-orange submarine has purple portholes, a cyan glass nose, red propeller and tower cap, a charcoal outline, and green-yellow seaweed beneath cyan bubbles.
Goal: Clear bubbles and seabed plants, peel the nose and hull around the windows, then remove the yellow roof and black-red tower into an empty frame.
Opening: Use blue 15, lavender 16, orange 2, and red 9; add white 22, let blue fall to 1 and white to 19, then bring in charcoal 45.
Danger Zone: Red 9 and lavender 16 occupy long-running lanes. Loading seabed colours before white and charcoal enter can close the fifth slot and strand the nose outline.
Mechanics: The board clears from bubbles and seabed into both ends of the submarine, then settles into a five-colour orange-cyan-red-red-white tail before the tower.

Why is charcoal 45 important?
It removes the long submarine outline that must open before several hull and seabed colours can drain.
What remains at the end?
The yellow roof and black-red tower survive after most of the hull, then charcoal 22, yellow 29, blue 5, and the final accent groups clear them.