Shade the figure completely, by using five Tetromino shapes only once.

Using the given tetrominoes with numbers on it, complete the 4 x 4 magic square ?

Fill in 4 x 10 rectangle completely, using all the five tetrominoes twice

Fill in 8 x 5 rectangle completely, using all the five tetrominoes twice.

Observe the picture and answer the following.
(i) Find all the possible routes from A to D.
(ii) Find the shortest distance between E and C.
(iii) Find all the possible routes between B and F with distance. Mention the shortest route.