Detailed instructions for working a group puzzle of type 'Sudoku-5-Spot'

The 5 elements in each group of this type of puzzle are: 1, 2, 3, 4, and 5.

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

Each row is a group numbered as shown in this Sudoku-5-Spot figure.

In a Sudoku-5-Spot puzzle, each row is a group numbered as shown in the figure above.

Each column is a group numbered as shown in this Sudoku-5-Spot figure.

In a Sudoku-5-Spot puzzle, each column is a group numbered as shown in the figure above.

Each pentomino is a group numbered as shown in this Sudoku-5-Spot figure.

In a Sudoku-5-Spot puzzle, each pentomino is a group numbered as shown in the figure above.

The five shaded spots are a group and are marked with '1st' in this Sudoku-5-Spot figure.

In a Sudoku-5-Spot puzzle, the five shaded spots are a group and are marked with '1st' in the figure above.