B[1, −2] | Y = x/6 – 1/2 | 3 + 9t | Excluded because x is even when t is odd |
| 3 + 18t | (3(3 + 18t) + 1)/2 = 5 + 27t | Excluded when t is even |
| 21 + 36t | (3(21 + 36t) + 1)/4 = 16 + 27t | Excluded when t is odd |
| 21 + 72t | (21 + 72t)/6 – 1/2 = 3 + 12t | Star conversion |