| Bidder | Amount | Date | 
|---|---|---|
| M****l 344 | €38.00 | 05.08.2019 16:24:05 | 
| s****n 337 | €36.00 | 05.08.2019 16:23:36 | 
| M****l 344 | €35.00 | 05.08.2019 16:23:36 | 
| s****n 337 | €32.00 | 05.08.2019 09:51:44 | 
| M****l 344 | €30.00 | 31.07.2019 09:16:21 | 
| s****n 337 | €28.00 | 31.07.2019 09:15:55 | 
| M****l 344 | €27.00 | 31.07.2019 09:15:55 | 
| s****n 337 | €24.00 | 30.07.2019 15:07:40 | 
| M****l 344 | €22.00 | 22.07.2019 18:33:09 | 
| A****9 40 | €20.00 | 22.07.2019 18:32:58 | 
| M****l 344 | €19.00 | 22.07.2019 18:32:58 | 
| A****9 40 | €18.00 | 22.07.2019 18:32:26 | 
| M****l 344 | €17.00 | 22.07.2019 18:32:26 | 
| A****9 40 | €16.00 | 22.07.2019 18:32:15 | 
| M****l 344 | €15.00 | 22.07.2019 18:32:15 | 
| A****9 40 | €14.00 | 22.07.2019 17:23:11 | 
| M****l 344 | €13.00 | 18.07.2019 10:35:09 | 
| s****n 337 | €12.00 | 18.07.2019 10:34:57 | 
| M****l 344 | €11.00 | 18.07.2019 10:34:57 | 
| s****n 337 | €10.00 | 15.07.2019 14:39:17 | 
From the set of IPP31 exchange puzzles, this is "Checkerboard Double Loop" , exchanged by Dor Tietz.