Triangles with pranksters

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

6
21
100
2
  
8
  
17
  
27
  
35
  
38
  
65
  

Solution

2
6
21
17
8
27
38
35
65
100
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Triangles with pranksters
Triangles with pranksters

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