What will you fill in for #?
Solution
Black filled star.
Each row and column has to contain each kind of pentagram.
Also: I think it is the diagonals? Similar to determinant rule application.
What will you fill in for #?
Black filled star.
Each row and column has to contain each kind of pentagram.
Also: I think it is the diagonals? Similar to determinant rule application.
It also is a perfect fit for a sudoku style with every symbol appearing not only once per line, but also per column. And completes “3 of every kind of symbol”.