Brando Sudoku

Sudoku is a numberplacement puzzle. The objective is to fill a 99 grid with digits so that each column, each row, and each of the nine 33 subgrids that compose the grid also called quot;boxesquot;, quot;blocksquot;, quot;regionsquot;, or quot;subsquaresquot; contains all of the digits from 1 to 9.