Fill in the grid so that in every row and every column as well of the yellow as of the green square contains the digits 1 through 6. Additionally every marked region contains the digits 1 through 6.

Fill in the grid so that in every row and every column as well of the yellow as of the green square contains the digits 1 through 5. Additionally every marked region contains the digits 1 through 5.

Fill in both grids so that every row, every column, and every 3x3 box contains the digits 1 through 9.

Fill in both grids so that every row, every column, and every 3x3 box contains the digits 1 through 9.