User blog comment:Milesprower2/MP2's Present Blog/@comment-5902099-20130507043627

7 + 5 = 12

(2 * 2) + (0 * 0) + (1 * 1) + (3 * 3) = 14

14 - 12 = 2

2 * 16 = 32

32 divided by 7 = 4 remainder 4

4 + 4 + 7 + 5 = 20

I'll go with 20