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Cerebral Rings

Difficulty:  2 / 4

Fabled to have been found among the effects of renowned astronomer, Johannes Kepler, was an early version of Cerebral Rings.  This challenging puzzle baffles astronomers, astrologers, and mathematicians alike.  It was said that Kepler's students had to master the expanding layers of the Cerebral Rings and the red plungers within, solving the puzzle in order to progress to apprenticeship.  Hundreds of possible combinations and only 8 solutions.

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