**Instructions:**

Insert numbers into empty fields in triangle (grape). The sum of two neighbouring numbers in one row must be equal to number below those fields. You may use only "pranskters" - numbers, which are known and located below triangle (grape).

## Example

5

20

29

0

20

25

29

45

49

94

## Solution

5

20

0

29

25

20

29

45

49

94