The Checkered Soma CubeThe Checkered Soma Cube• Number of Pieces:  7

(these represent all different ways not including reflections and rotations to(these represent all different ways, not including reflections and rotations, toglue 3 or 4 unit cubes along their faces so that the pieces are non‐convex)

• Designer:  Piet Hein• Year:  1932

Puzzle Difficulty Goal # of Solutionsy

A 5 Form a 3x3x3 cube 240

B 8 Form a 3x3x3 checkered cube 21

C 10

Form a 3x3x3 checkered cube with the wood grain of the light colored cubes going all going in one direction and the wood grain of the 1direction and the wood grain of the dark colored cubes all going in another direction