Search: keyword:notso
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BP1244 |
| Tiled by self-tiling fractal vs. not |
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BP1246 |
| Any symmetry exhibited by some non-empty subset of the objects is also a symmetry of the whole thing vs. not so. |
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BP1247 |
| No straight path from one side of the panel to the other passes through the grey shape without hitting a black region vs. such a path exists. |
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BP1248 |
| No straight path passes from a white region to a grey one, then to white again (without hitting black) vs. such a path exists. |
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