Fill in the grid with the digits 1 through 9 so that each digit appears three times. Numbers connected with a line are neither identical, nor consecutive.

Fill in the grid with the digits 1 through 9 so that each digit appears two times. Numbers connected with a line are neither identical, nor consecutive.

Fill in the grid with the digits 1 through 9 so that each digit appears two times. Numbers connected with a line are neither identical, nor consecutive.

Fill in the grid with the digits 1 through 9 so that each digit appears two times. Numbers connected with a line are neither identical, nor consecutive.

Fill in the grid so that every row, and every column contains the digits 1 through 7. All neighbouring cells with consecutive digits are connected by a line. If the digits are not consecutive there is no line.

Fill in the grid so that both rows contain the digits 1 through 9. There are no neighbouring cells with equal or consecutive digits.

Fill in the grid so that both rows contain the digits 1 through 9. There are no neighbouring cells with equal or consecutive digits.

Fill in the grid so that both rows contain the digits 1 through 9. There are no neighbouring cells with equal or consecutive digits.

Fill in the grid so that both rows contain the digits 1 through 9. There are no neighbouring cells with equal or consecutive digits.

Fill in the grid so that so that both rings contain the digits 1 through 9. There are no neighbouring cells with the same or with consecutive digits.