| “2840m” N | ω (N) | ω (∑) | Δω |
| 1 | 1259 | ||
| 2 | 2648 | ||
| 3 | 4048 | ω1 + ω2 | −3.50% |
| 4 | 6007 | ||
| 5 | 6826 | ω2 + ω3 | −1.90% |
| 6 | 8290 | ω2 + ω4 | 4.40% |
| 7 | 9506 | ω1 + ω6 | −0.45% |
| 8 | 10,389 | ω3 + ω4 | 3.21% |
| 9 | 11,509 | ω3 + ω5 | 5.52% |