Fill in the grid so that every row, every column, and every marked region contains the digits 1 through 9. All the numbers in 3x3 boxes of the same color are exactly the same in position.
Fill in the grid so that every row, every column, and every 2 x 3 box contains the digits 1 through 6. The digits in the green cells as well as the digits in the green cells must be equal.