Add up to 20
Addition of two numbers with sum up to 20
15
+
5
12
+
2
12
+
6
2
+
14
4
+
2
3
+
1
4
+
8
12
+
1
4
+
3
9
+
5
7
+
1
4
+
11
8
+
4
3
+
14
4
+
3
11
+
8
4
+
14
12
+
6
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v0.32.0 (production)
