12 + 13 =
14 + 11 =
17 + 12 =
12 + 11 =
16 + 11 =
11 + 15 =
14 + 10 =
13 + 12 =
17 + 10 =
14 + 15 =
15 + 10 =
10 + 11 =
17 + 11 =
11 + 13 =
