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Difficult HyperSudoku-X Group Puzzle

The grouppuzzles.com Difficult HyperSudoku-X puzzle for Tuesday February 23, 2021 with all 14 steps marked

The small superscript in each undetermined location is the step number at which the location must be fill before all of the locations with subsequent step numbers can be determined. A detailed description of the moves in each step is given below.

Display the puzzle with superscripts showing just the step number for the first few steps in their empty grid locations.

See the puzzle answer grid.

Deductive steps to solve the puzzle

The moves within each step may be done in any order.

All of the moves within a particular step must be done before all of the moves in the subsequent step can be guaranteed to be completed.

Rows are numbered top to bottom, columns from left to right, and rectangles from left to right and then top to bottom. Coordinates are (col, row). Precise details on numbering within each group are specified in the on-line instructions .

Step 1. There are 6 independent moves.

Step 2. There are 3 independent moves.

Step 3. There are 3 independent moves.

Step 4. There are 2 independent moves.

Step 5. There is 1 independent move.

Step 6. There are 4 independent moves.

Step 7. There are 3 independent moves.

Step 8. There are 4 independent moves.

Step 9. There are 4 independent moves.

Step 10. There are 2 independent moves.

Step 11. There are 4 independent moves.

Step 12. There are 8 independent moves.

Step 13. There are 10 independent moves.

Step 14. There are 8 independent moves.

Tuesday February 23, 2021   http://www.grouppuzzles.com