In the frame
Dark mangrove roots arch down into clear, shallow water from every side. A shoal of tiny silver fish swims between them over a bottom of mud and algae.
This dive turns the picture into a 4 × 4 slide puzzle: 15 tiles and one empty space. The shuffle is fixed, so everyone starts from the same board, and it is always solvable.
Dive plan
- Start with the easy part: the big arching roots in the foreground.
- Almost every part of this frame has detail. The least distinct part is the hazy green water in the distance, and even that has texture to go on.
- Finish the top row first, then the left column; the puzzle shrinks to a smaller board each time.
- Switch on the numbers if two tiles look alike — they show where each tile belongs.
- The picture is busy enough that neighbouring tiles can usually be told apart without numbers.
- For the last two rows, work column by column, two tiles at a time.
Colours of the picture
Main colours, measured from the picture's pixels: charcoal (50%), slate grey (27%), grey (11%) and teal (11%).
- charcoal50%
- slate grey27%
- grey11%
- teal11%
How deep it goes
Depth 2 of 5 — an easy dive.
Wall dives drop off into bigger boards, where the plain parts of a picture start to slow you down.