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

This is a signature puzzle named 'Lenard'

The 6 elements in each group of this type of puzzle are: L, E, N, A, R, and D.

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

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

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

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

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

Each 3x2 rectangle is a group numbered as shown in this Lenard figure.

In a Lenard puzzle, each 3x2 rectangle is a group numbered as shown in the figure above.