File:Opt graph 1.PNG
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:05, 24 October 2011 | | 800 × 231 (65 KB) | Jy1109 (talk | contribs) | |
| 13:55, 24 October 2011 |  | 1,003 × 286 (18 KB) | Jy1109 (talk | contribs) |
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