Add up to 20
Addition of two numbers with sum up to 20
1
+
6
2
+
9
1
+
3
3
+
2
15
+
1
2
+
17
2
+
3
2
+
13
2
+
4
4
+
8
4
+
2
4
+
4
5
+
9
6
+
6
4
+
13
1
+
2
15
+
2
10
+
7
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v0.32.0 (production)