Puzzle 21

Puzzle 21 is one of the mysteries in Islands of Insight.
==Hints==
*Try left-clicking on a monolith post-completion.
*Numerous locations facilitate puzzle completion.
==Solution==
After completing the monolith in every area, position oneself where all five monoliths are visible. Stand atop the "Off by One With Two Colors" pillar at the south of Autumn Falls. While gazing at each monolith, hold left-click to establish connections, unlocking the mystery after surveying all.