A 3D rotation sphere with x, y and z axis. A 4th axis exist, contains our "captcha keyword" i.e now is captcha.
Rotating from right to left..
.. it rotates again ..
.. finally it slows down and pause/slow motion for about 3-5 seconds, allowing humans to identify the keyword. (Basically it will rotate rand() no. of times then slows down for user to identify.
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