| 摘要 |
PROBLEM TO BE SOLVED: To provide a combination type three-dimensional puzzle which has improved puzzle properties. SOLUTION: Each of five blocks 1A-1E has six side surfaces 1a-1f each comprising a square of the same size, the length of a side of the square being x. Each of six blocks 2A-2F has s set of opposed side surfaces 2a, 2b, each having a length of x multiplied by 2x, a set of opposed side surfaces 2c, 2d each having a length of x multiplied by 4x, and a set of opposed side surfaces 2e, 2f, each having a length of 2x multiplied by 4x, the side surfaces 2a, 2b, 2c, 2d, 2e, and 2f forming a rectangular shape. Each of six blocks 3A-3F has a set of opposed side surfaces 3a, 3b, each having a length of (2x)2 and two sets of opposed side surfaces 3c, 3d, 3e, and 3f each having a length of 2x multiplied by 3x, one set of opposed side surfaces 3a, 3b each having a square shape, the other opposed side surfaces 3c, 3d, 3e, and 3f, each having a rectangular shape. The three-dimensional puzzle consists of five blocks 1A-1E, six blocks 2A-2F, and six blocks 3A-3F.
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