Let's call U the upper rectangles and L the lower rectangles. All the L's arise from this operations: let's take for example the 1st column, where U1=6, U2=3 and L1=9, L2=5. I see that L1 = U1 + (U1 - U2) = 6 + (6 - 3) = 9 and L2 = U2 + (U1 - U2) - 1 = 3 + (6 - 3) - 1 = 3 + 3 - 1 = 5. Every single column arises from these operations...I don't see another pattern for now, so my guess is that A = 5 and B = 3, just like the column in the left (of AB).
Specifically L1 = A + (A - B) = 5 + (5 - 3) = 5 + 2 = 7 and L2 = B + (A - B) - 1 = 3 + (5 - 3) - 1 = 3 + 2 - 1 = 4.
JC
@jcn
1 month ago
There is probably a misfortunate pattern in every 3 fully given columns: 2A = B+C and D = A - 1, which would give 53.
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Specifically L1 = A + (A - B) = 5 + (5 - 3) = 5 + 2 = 7 and L2 = B + (A - B) - 1 = 3 + (5 - 3) - 1 = 3 + 2 - 1 = 4.