| Number reflectors |
Total number of spokes | ||||||
|---|---|---|---|---|---|---|---|
| 16 | 18 | 20 | 24 | 28 | 32 | 36 | |
| Spokes between reflectors | |||||||
| 1 | 15 | 17 | 19 | 23 | 27 | 31 | 35 |
| 2 | 7 | 8 | 9 | 11 | 13 | 15 | 17 |
| 3 | - | 5 | - | 7 | - | - | 11 |
| 4 | 3 | - | 4 | 5 | 6 | 7 | 8 |
| 5 | - | - | 3 | - | - | - | - |
| 6 | - | 2 | - | 3 | - | - | 5 |
| 7 | - | - | - | - | 3 | - | - |
| 8 | 1 | - | - | 2 | - | 3 | - |
| 9 | - | 1 | - | - | - | - | 3 |
| 10 | - | - | 1 | - | - | - | - |
| 11 | - | - | - | - | - | - | - |
| 12 | - | - | - | 1 | - | - | 2 |
| 13 | - | - | - | - | - | - | - |
| 14 | - | - | - | - | 1 | - | - |
| 15 | - | - | - | - | - | - | - |
| 16 | 0 | - | - | - | - | 1 | - |
| 17 | - | - | - | - | - | - | - |
| 18 | - | 0 | - | - | - | - | 1 |