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Dive 16 · Tide Pools

Octopus in a rock pool

A reddish-brown octopus spreading its arms over pebbles in a shallow rock pool

Filling the tank…

In the frame

A small reddish-brown octopus spreads its arms across pebbles in a shallow rock pool. Green seaweed, rounded stones and tufts of red algae surround it on every side.

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 octopus and its curling arms.
  2. Almost every part of this frame has detail. The least distinct part is the smooth grey pebbles at the bottom, 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 (37%), charcoal (37%) and olive (26%).

  • brown37%
  • charcoal37%
  • olive26%

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.