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Intersecting circles
Rashkey 2Second of a series of three similar puzzles. The three differ only by the colors of the pieces.
Rashkey 3Third of a series of three similar puzzles. The three differ only by the colors of the pieces.
RigelTwo intersecting circles but with two concentric circles of pieces per half.

Rotator 120Six circles rotatable in steps of 120
Roto 36Four circles. One with 120-steps, three with 60-steps.
Roto 44Four circles in square configuration with a fifth in the center.

RotosEast german puzzle of overlapping disks.
SadalmelikSix circles which allow turns of 180.
ShaulaThree intersecting circles each with three steps and with different distances between the centers. All that with a doctrinaire puzzle.

Shaula 2An unbandaged version of Shaula.
Side ViewMechanically this is a simple puzzle with four intersecting circles. Innovative is the fact that one can only see the side of the pieces which is still enough to solve it.
SiriusTwo intersecting circles with 147 pieces, named after the brightest binary star system on the sky.

Suhail 5Two intersecting circles with steps of 72� and 60� and different radii.
Suhail 6Two intersecting circles with steps of 60 each but with different radii.
Super GeraniumThe enhanced version of Geranium with five additional circles.


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