Object: Fill-in the Sudoku variation numbers grids.
Numbers are restricted from occupying the same relative positions within other 3x3 sections.
For example, if Num05 is at 'cell a09' - it cannot also reside at cells d06, g06, d03, nor g03. The '4 groups' of numbers 01-09 are thus: rows, columns, sections, and relative positions.

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Click upon the visible 9x9 grid to initiate a new puzzle. Once done, the player (Self) needs to click any of the large left-side Indicator numbers to select an active number.
Clicking next onto a grid square(s) will continue to type-in that selected number(s).
A set of secondary indicator numbers are also available - for if/when a player isn't sure when filling in a square. A player may also utilize the empty spaces surrounding the main grid - using either of the two Indicator sets.

Generally, these Sudoku puzzles' given squares (in pairs) are mirrored.
Optionally, individual Numbers can be drawn, either mirrored or by themselves ('potluck') from throughout the grid.
Note: a Hint button is available near the bottom section of the indicator numbers.
Single square hints can be called upon at any player's (Self) turn.
Good luck.

Downside note:
Not every initiation process may generate a valid puzzle. I could only test this via a 15 year-old laptop running Windows 2000 (lol). I expect that result should be easily improved upon with more advanced computing hardware.
This Sudoku variation requires a little more processing time than some of the others I've implemented.
A detailed coding explanation note leads the actual zrf file.