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| Bidder | Amount | Date |
|---|---|---|
| m****l 958 | USD 43.00 | 05/22/2021 10:33:40 |
| F****m 308 | USD 41.00 | 05/22/2021 10:33:32 |
| m****l 958 | USD 40.00 | 05/22/2021 10:33:32 |
| F****m 308 | USD 38.00 | 05/22/2021 08:08:38 |
| m****l 958 | USD 36.00 | 05/22/2021 06:39:21 |
| m****n 17 | USD 35.00 | 05/22/2021 06:39:21 |
| m****n 17 | USD 29.00 | 05/21/2021 17:48:00 |
| m****l 958 | USD 27.00 | 05/21/2021 17:48:00 |
| m****l 958 | USD 22.00 | 05/21/2021 05:18:36 |
| a****r 8 | USD 20.00 | 05/20/2021 04:38:12 |
| m****n 17 | USD 19.00 | 05/20/2021 04:38:12 |
| m****n 17 | USD 15.77 | 05/18/2021 21:34:21 |
| t****n 104 | USD 14.77 | 05/18/2021 21:34:21 |
| t****n 104 | USD 12.00 | 05/16/2021 12:03:20 |
Vicious Cicrle was the exchange puzzle of Tatiana Matveeva at IPP22 in Belgium, 2002.
The goal of this puzzle is to open the box. it is a vicious circle because:
To open the box, you need to know its secret ... To see its secret, you need to open the box.
This is a hard puzzle with an invisible locking mechanism.
It does provides enough tactile feedback to understand what may be going on inside.
The top lid was loose, it is glued back in place. After the repair the box was opened and closed without trouble.
The puzzle comes without paperwork.