A gifted Sudoku booklet's Hoshi are (almost? - I did only spot checks) all identical, except for number permutation and leads.
An excuse for this would be if there were only one legit Hoshi. How many inequivalent (under number permutation and geometric symmetry) filled out Star Sudokus exist?
An example Hoshi can be found here
Fill the grid so that every framed triangle, every horizontal and every tilted row contains the digits 1 to 9, whereby the middle rows expand over the empty hexagon in the middle and the short rows on the edge are completed with the outer corners of the triangles.