| Pairwise differences | Arranging in descending order | Ranking | |
Δ12 = C1 − C2 | 57 | Δ14 | 100 | 1 |
Δ13 = C1 − C3 | 91 | Δ13 | 91 | 2 |
Δ14 = C1 − C4 | 100 | Δ12 | 57 | 3 |
Δ23 = C2 − C3 | 34 | Δ24 | 43 | 4 |
Δ24 = C2 − C4 | 43 | Δ23 | 34 | 5 |
Δ34 = C3 − C4 | 9 | Δ34 | 9 | 6 |