HyperEducation-r5

Size:

9x9.

Elements:

E, D, U, C, A, T, I, O, and N.

Groups: Thirty-one total.

The 9 rows.

The 9 columns.

The 9 3x3 squares.

The 4 3x3 inner squares.

Instructions:

Precise details on group numbering.

Answer grids:

Puzzle Difficulty levels and Examples

Difficulty Level	Low	High	Example
Easiest	2	2	Puzzle   ·   3-steps   ·   All-steps   ·   Solution grid
Easy	3	4	Puzzle   ·   3-steps   ·   All-steps   ·   Solution grid
Medium	5	8	Puzzle   ·   3-steps   ·   All-steps   ·   Solution grid
Difficult	9	14	Puzzle   ·   3-steps   ·   All-steps   ·   Solution grid
Challenging	15	20
Tournament	21	29