Kakuro Tutorial -- Challenging

24 in 5 has a limited number of remaining valid permutations. With the first and last cells being 7 and 9 or 8 and 9, we know that the remaining cells will be limited to 1, 2, 3, 4, and 5.

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13
 
10
 
 
8
 
3
 
 
27
 
12
11
 
7
 
8
24
5
 
27
26
 
16
 
 
9
12
12
 
 
11
21
30
39
 
 
17
 
10
 
 
6
10
12
 
8
18
 
10
 
7
 
13
 
14