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

This is a signature puzzle named 'Multipronged'

The 12 elements in each group of this type of puzzle are: M, U, L, T, I, P, R, O, N, G, E, and D.

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

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

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

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

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

Each 4x3 rectangle is a group numbered as shown in this Multipronged figure.

In a Multipronged puzzle, each 4x3 rectangle is a group numbered as shown in the figure above.

Each eye is a group numbered as shown in this Multipronged figure.

In a Multipronged puzzle, each eye is a group numbered as shown in the figure above.

The elements that make up the smile are a group and are marked with '1st' in this Multipronged figure.

In a Multipronged puzzle, the elements that make up the smile are a group and are marked with '1st' in the figure above.