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2 + 2 + 4 + 4 = 12
1 + 4 + 6 = 11
1 + 4 = 5
24 + 20 = 44
4 + 4 + 4 = 12
12 + 12 = 24
3 + 1 = 4
4 + 3 = 7
6 + 24 = 30
12 + 1 = 13