| Ground | Sandbox | Champion | |
| 01 | Bialystok | NE-06 | WAW.4 ♦ |
| 02 | Gdansk | NN-08 | WAW.3 ♦ |
| 03 | Krakow | SE-02 | WAW.6 ♦ |
| 04 | Lodz | SS-02 | WAW.7 ♦ |
| 05 | Lublin | EE-05 | WAW.5 ♦ |
| 06 | Poznan | WW-05 | WAW.9 ♦ |
| 07 | Szczecin | NW-09 | WAW.10 ♦ |
| 08 | Warsaw | CC-01 | WAW.2 ♦ |
| 09 | Wroclaw | SW-05 | WAW.8 ♦ |
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