Complete the following 4*4 sudoku subject to constraint that no number from 1 to 4 repeats with in any of the four 2*2 grids.

Complete the following 44 sudoku subject to constraint that no number from 1 to 4 repeats with in any of the four 22 grids.

Mixed-up sentence exercise

Put the parts in order to form a sentence. When you think your answer is correct, click on "Check" to check your answer. If you get stuck, click on "Hint" to find out the next correct part.