GB-Sudoku consits of a field where numbers are entered.
is made up of
of nine cells,
of nine cells and
times three matrices of nine cells,
four additional matrices of nine cells.
of the cells is shared among a row, a column and one, or more
purpose of the game is to enter numbers in each of the cells.
The GB-Sudoku is solved when each row, each column and each
of the nine plus four matrices contains the numbers 1 to 9
a result no row, column or matrix can contain the same number