![File:Impossible staircase.svg](Https://upload.wikimedia.org/wikipedia/commons/thumb/3/34/Impossible_staircase.svg/372px-Impossible_staircase.svg.png)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:34, 6 September 2021 | ![]() | 372 × 283 (1 KB) | Andreasl01 | Simplified code |
13:44, 30 May 2006 | ![]() | 372 × 283 (4 KB) | Sakurambo~commonswiki | == Summary == {{Information| |Description=A "Penrose stairs" optical illusion |Source=own work |Date=2005-05-30 |Author=Philip Ronan |Permission=see below |other_versions= }} | |
13:51, 19 May 2006 | ![]() | 333 × 250 (4 KB) | Sakurambo~commonswiki | {{Information| |Description=A Penrose staircase (optical illusion) |Source=Own work |Date=2005-05-19 |Author=[[User:Sakurambo|Philip Ronan |Permission=See below |other_versions= }} | |
13:32, 19 May 2006 | No thumbnail | (4 KB) | Sakurambo~commonswiki | {{Information| |Description=A "Penrose stairs" optical illusion |Source=own work |Date=2005-05-19 |Author=Philip Ronan |Permission=see below |other_versions= }} |
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