Detailed instructions for working a group puzzle of type 'Backpointers'
This is a signature puzzle named 'Backpointers'
The 12 elements in each group of this type of puzzle are: B, A, C, K, P, O, I, N, T, E, R, and S.
Every group in the puzzle must contain exactly this set of elements.
In a Backpointers puzzle, each row is a group numbered as shown in the figure above.
In a Backpointers puzzle, each column is a group numbered as shown in the figure above.
In a Backpointers puzzle, each 4x3 rectangle is a group numbered as shown in the figure above.
In a Backpointers puzzle, each eye is a group numbered as shown in the figure above.
In a Backpointers puzzle, the elements that make up the smile are a group and are marked with '1st' in the figure above.