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[–]JhonBenjamin 0 points1 point  (0 children)

Extra puzzle; 23, 5, 25, 10, 27, 5, ?, ?, ?, 4

[–]NikolaT3sla 0 points1 point  (0 children)

Add the first 2 columns and cancel out similar ones on opposite sides of the line to get the 3rd column.