Fill in the grid so that every row, every column, and every 2 x 2 box contains the digits 1 through 4.

Fill in the grid so that every row, every column, and every 3x2 box contains the digits 1 through 6.

Fill in the grid so that every row, every column, and every 3x2 box contains the digits 1 through 6.

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 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 the necessary number of dice so that every row, every column, and every marked box contains a different set of pips 1 through 6.