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Use mouse wheel with the cursor hovering above the big dots to choose colors.
Selected Color:

Rules: Choose colors in one row (duplicates allowed); hit [play]; get result dots (meaning see below); try again in next row. (look here for more infos)
Goal: get all colors in the right order (all result dots black).
= a color and it's position is right
= a color is right but at a different position
Note: there's no correlation between the position of the result dots to the position of the color dots.
colors are: -
by pleXus | V2.1 | 2015 - 2020