| 密文A | 密文B | 密文C | 密文D |
密文A | / | 1.24% | 4.11% | 2.43% |
密文B | 1.24% | / | 0.38% | 2.53% |
密文C | 4.11% | 0.38% | / | 2.05% |
密文D | 2.43% | 2.53% | 2.05% | / |