** Detailed instructions for working a group puzzle of type 'Education-X' **

This is a * signature puzzle* named '**Education-X**'

The 9 elements in each group of this type of puzzle are: **E**, **D**, **U**, **C**, **A**, **T**, **I**, **O**, and **N**.

Every group in the puzzle must contain *exactly* this set of elements.

In a Education-X puzzle, each row is a group numbered as shown in the figure above.

In a Education-X puzzle, each column is a group numbered as shown in the figure above.

In a Education-X puzzle, each 3x3 square is a group numbered as shown in the figure above.

In a Education-X puzzle, each diagonal is a group numbered as shown in the figure above.