1.
| 2.
| 3.
| ||
| Σ r = 1/2 = .500 Trivial. | Σ r = 2 – √2 = .585+ Trivial. A continuum of solutions. | Σ r = .796+ Found by David W. Cantrell in April 2011. |
4.
| 5.
| 6.
| ||
| Σ r = 1.006+ Found by David W. Cantrell in April 2011. | Σ r = (3 + √2)/4 = 1.103+ Found by David W. Cantrell in April 2011. | Σ r = 1.202+ Found by David W. Cantrell in April 2011. |
7.
| 8.
| 9.
| ||
| Σ r = 1.306+ Found by David W. Cantrell in April 2011. | Σ r = 1.423+ Found by David W. Cantrell in April 2011. | Σ r = 1.524+ Found by David W. Cantrell in April 2011. |
10.
| 11.
| 12.
| ||
| Σ r = 1.591+ Found by David W. Cantrell in April 2011. | Σ r = 1.680+ Found by David W. Cantrell in April 2011. | Σ r = 1.765+ Found by David W. Cantrell in April 2011. |
13.
| 14.
| 15.
| ||
| Σ r = 1.829+ Found by David W. Cantrell in April 2011. | Σ r = 1.905+ Found by David W. Cantrell in April 2011. | Σ r = 1.980+ Found by David W. Cantrell in April 2011. |
16.
| 17.
| 18.
| ||
| Σ r = 2.053+ Found by David W. Cantrell in April 2011. | Σ r = 2.111+ Found by David W. Cantrell in April 2011. | Σ r = 2.178+ Found by David W. Cantrell in April 2011. |
19.
| 20.
| 21.
| ||
| Σ r = 2.236+ Found by David W. Cantrell in April 2011. | Σ r = 2.301+ Found by David W. Cantrell in July 2011. | Σ r = 2.362+ Found by David W. Cantrell in July 2011. |
22.
| 23.
| 24.
| ||
| Σ r = 2.420+ Found by David W. Cantrell in July 2011. | Σ r = 2.478+ Found by David W. Cantrell in July 2011. | Σ r = 2.530+ Found by Eckard Specht in January 2012. |
25.
| 26.
| 27.
| ||
| Σ r = 2.587+ Found by David W. Cantrell in January 2012. | Σ r = 2.634+ Found by David W. Cantrell in July 2011. | Σ r = 2.685+ Found by David W. Cantrell in January 2012. |
28.
| 29.
| 30.
| ||
| Σ r = 2.737+ Found by David W. Cantrell in July 2011. | Σ r = 2.790+ Found by David W. Cantrell in July 2011. | Σ r = 2.842+ Found by David W. Cantrell in July 2011. |
31.
| 32.
| |
| Σ r = 2.889+ Found by David W. Cantrell in July 2011. | Σ r = 2.936+ Found by Eckard Specht in January 2012. |