Add up to 20
Addition of two numbers with sum up to 20
5
+
5
2
+
1
12
+
8
7
+
6
4
+
7
5
+
12
2
+
5
5
+
4
6
+
9
7
+
2
8
+
9
5
+
5
16
+
2
6
+
14
3
+
3
2
+
5
1
+
7
7
+
5
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v0.32.0 (production)