| 2 × 2 | 3 × 3 | 2 × 3 | 2 × 5 | 3 × 5 | 2 × 11 | 3 × 11 | 2 × 7 | 3 × 7 | 2 × 13 | 3 × 13 | Etc. |
Yes |
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No | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ |
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| 5 × 5 | 7 × 7 | 5 × 7 | 5 × 11 | 7 × 11 | 5 × 13 | 7 × 13 | 11 × 13 | 5 × 17 | 7 × 17 | 17 × 13 | Etc. |
Yes | √ H2 | √ | √ | √ H1 | √ | √ H1 | √ | √ H1 | √ H2 | √ | √ H1 |
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No |
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