rows: old 264, new 264; only in old: []; only in new: []
  CHANGED brent          CHA: total 4099 -> 4115, solved 38 -> 38, over2x 18 -> 18
  CHANGED chandrupatla   APS: total 2785 -> 2787, solved 153 -> 153, over2x 0 -> 0
  CHANGED chandrupatla   CHA: total 2423 -> 2441, solved 40 -> 40, over2x 0 -> 0
unexpected changes: 0