Fill in the grid so that every row, every column, and every marked 5 fields box contains the digits 1 through 5.

Example:

Puzzle:

Fill in the grid so that every row, every column, and every marked region contains the digits 1 through 5.

Fill in the grid so that every row, every column, and every coloured region contains the digits 1 through 6.

Fill in the grid so that every row, every column, and cells of the same color contain the digits 1 through 7.

Fill in the grid so that every row, every column, and 4x2 box contains the digits 1 through 8.

Fill in the grid so that every of the nine marked 3x3 box contains the digits 1 through 9. No digit can repeat in a row or column.

Fill in the grid so that every row, every column, and every marked 5 fields box contains the digits 1 through 5.

Example:

Puzzle:

Fill in the grid so that every row, every column, and every marked box contains the digits 1 through 4. Each row, column, and box contains one 1, two 2's, three 3's and four 4's. Orthogonally adjazent cells must have different digits.