Add up to 20
Addition of two numbers with sum up to 20
7
+
7
1
+
17
9
+
7
4
+
1
3
+
15
4
+
1
1
+
14
1
+
10
4
+
1
3
+
2
5
+
14
5
+
5
13
+
2
2
+
10
8
+
9
13
+
1
3
+
9
9
+
4
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v0.32.0 (production)
