| 摘要 |
The invention concerns a shiftable element logical puzzle in the form of a cylindrical body comprised of an assembly of sector shaped cylinder forming elements, said elements forming two identical cylinder halves in the form of upper and lower tiers of six elements each, three of said elements in each tier being identical to each other, but different from the remaining elements, and means joining said elements together to form said cylindrical body and enabling various groupigs of six elements, three from each tier, to rotate relative to the remaining three identical elements about three axes passing through the cylinder body axis but perpendicular thereto. |
