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Six-Sided: Cuboid
Crazy 1x3x3A 1x3x3 with four circles on the short sides, two fixed to the surrounded sides, two non-fixed.
Crazy 2x2x4A 2x2x4 with circles on the not-extended sides.
Crazy 2x3x3A 3x3x4 with two layers removed but not hidden.

Crazy 2x3x3 Fisher Cube A Crazy 2x3x3 twisted by 45 inside of its solid.
Crazy 2x3x3 IIA 2x3x3 with circles on the 2x3 faces.
Crazy 2x3x3 IIIA Domino with four circles of which one moves with the surrounding layer.

Crazy Split 1x2x3A 1x2x3 splitted, 'circled', and splitted again.
Crazy Void FloppyA combination of the Void Floppy and the Circle Floppy.
CrazyBad 4x4x5 Cuboid (center-shifted)A 4x4x6 with one layer eliminated.

Cross Trajber's octahedronA cross version of a Trajber's octahedron.
Cubic 3x5x7 - Horror - Bump CuboidCubic 3x5x7 "Horror" Bump Cuboid
Cubic 3x5x7 Bump CuboidCubic 3x5x7 Bump Cuboid

Cubic 4x6x8Cubic 4x6x8 Cuboid
Cubic Anti-PrismoidA shape variant of a shape variant.
Cuboid ZockA 2x2x3 put in midturn and transformed back into the shape of a cuboid.

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