| 摘要 |
A multi-functional pyramid sphere-puzzle system includes five types of basic sphere pieces. The basic sphere pieces comprise one three-sphere piece and four different four-sphere pieces. The three-sphere piece has a 120-angled array. The first four-sphere piece is arranged in a vaulted array, the second four-sphere piece in a first three-sphere linear array, the third four-sphere piece in a second three-sphere linear array, and the fourth sphere piece in a right-angled array. In puzzle game, the selected types and the desired amount of the sphere pieces can be assembled to form the pyramidal array with various orders.
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