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Dive 68 · Blue Edge

Dolphins under the surface

Five dolphins swimming together in clear blue water below a rippled surface

Filling the tank…

In the frame

Five bottlenose dolphins swim together just below the rippled surface, sunbeams fanning out between them. Below them the water fades to a deep, plain blue.

This dive cuts the picture into 48 pieces on a 8 × 6 grid: 24 border pieces and 24 inner pieces. The cut is fixed, so every player gets exactly the same pieces.

Dive plan

  1. Start with the easy part: the dolphins and the bright ripples at the top.
  2. Save for last: the deep blue water below the dolphins. About 45% of the frame has little detail, mostly in the bottom third, and those pieces look alike.
  3. Switch on Edges to keep only the 24 border pieces on the table, and build the frame first.
  4. Press Sort to tidy the loose pieces into rows around the board, border pieces nearest — handy once the frame is done.
  5. In the plain areas, match pieces by shape: on a 8 × 6 grid every inner piece has a tab or a blank on each of its four sides.
  6. Build the frame, then fill in from the strongest feature outwards.

Colours of the picture

Main colours, measured from the picture's pixels: ocean blue (53%), deep blue (35%) and sky blue (12%).

  • ocean blue53%
  • deep blue35%
  • sky blue12%

How deep it goes

Depth 3 of 5 — a steady dive.

Reef dives sit in the middle: enough pieces to need a plan, never so many that a phone screen feels crowded.