Detailed instructions for working a group puzzle of type 'Hendrick'

This is a signature puzzle named 'Hendrick'

The 8 elements in each group of this type of puzzle are: H, E, N, D, R, I, C, and K.

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

Each row is a group numbered as shown in this Hendrick figure.

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

Each column is a group numbered as shown in this Hendrick figure.

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

Each 4x2 rectangle is a group numbered as shown in this Hendrick figure.

In a Hendrick puzzle, each 4x2 rectangle is a group numbered as shown in the figure above.