Detailed instructions for working a group puzzle of type 'Super-Birthday'

This is a signature puzzle named 'Super-Birthday'

The 8 elements in each group of this type of puzzle are: B, I, R, T, H, D, A, and Y.

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

Each row is a group numbered as shown in this Super-Birthday figure.

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

Each column is a group numbered as shown in this Super-Birthday figure.

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

Each 4x2 rectangle is a group numbered as shown in this Super-Birthday figure.

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

Each 2x4 rectangle is a group numbered as shown in this Super-Birthday figure.

In a Super-Birthday puzzle, each 2x4 rectangle is a group numbered as shown in the figure above.