Fill in the grid the numbers 1 through 9 so that in every row, every column (even if it is not continous) and in cells of the same color no number is repeated. There are no neighbouring cells with consecutive numbers.

Fill in the grid so that every row, every column and both diagonals contain the digits 1 through 7.

Fill in the grid so that every row, every column, 3x3 box and both diagonals contain the digits 1 through 9.