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Dive 28 · Tide Pools

Red crab on the wrack

A red crab standing on olive-brown seaweed at the edge of the sea

Filling the tank…

In the frame

A bright red crab stands on a tangle of olive-brown seaweed at the edge of the sea. Smooth dark pebbles lie behind it, and small white waves wash in across the top of the picture.

This dive leaves all 6 tiles of a 3 × 2 board in place but rotates them by 90, 180 or 270 degrees. Tap each tile until the whole picture stands upright.

Dive plan

  1. Start with the easy part: the red crab in the centre.
  2. Almost every part of this frame has detail. The least distinct part is the white foam of the waves, and even that has texture to go on.
  3. Each tap turns a tile a quarter clockwise; right-click or Shift+Enter turns it back.
  4. Start with tiles that contain a horizon, a body or a straight edge — their upright position is obvious.
  5. Lines run through most tiles here, so check that each one continues smoothly into its neighbours.
  6. Few tiles, quick win: try to set each tile with as few taps as possible.

Colours of the picture

Main colours, measured from the picture's pixels: brown (36%), charcoal (25%), grey (18%) and slate grey (11%).

  • brown36%
  • charcoal25%
  • grey18%
  • slate grey11%
  • sky blue10%

How deep it goes

Depth 1 of 5 — a calm paddle.

Snorkel dives are the shallow end of the logbook: small boards with pieces big enough to read at a glance.