Paste or drop a screenshot
Cmd+V / Ctrl+V, drag an image here, or click to choose a file

Tiles

Drag or double-click tiles into the candidate rows below.

Candidate rows

Drag tiles between rows to rearrange.

Drag the rows to rank them by difficulty — hardest first for the reverse rainbow. (or the arrow keys on a row's number) trickiest straightforward

Fifth connection

One tile is selected from each row. Use the arrows to cycle through each row's tiles, then lock in the four you think form the hidden fifth group.

Locked in as the fifth connection.
Ready.