Follow the given rules while solving the puzzles:

(i) Place one digit from 1 to 9 in each white box.

(ii) These digits must be placed in such a way that the sum of digits in each set of the consecutive white boxes (across or down) is the number given as the clue.

(iii) The clues are written on the left for the across sum and on the top for the down sums

(iv) You should never repeat the digits of a sum.