| Line | Hex | Translation | Meaning |
| 0x00 | 01 00 00 00 | 0 | 00000-.IGPA |
| 0x00 | 01 00 00 06 | 3 | level 3 |
| 0x10 | 06 00 00 00 | 6 | 6 links follow |
| 0x20 | 01 01 00 00 | 1 | link to 00001-.IGPG |
| 0x20 | 01 0C 00 00 | 12 | link to 00012-.IGPG |
| 0x20 | 01 15 00 00 | 21 | link to 00021-.IGPG |
| 0x20 | 01 1E 00 00 | 30 | link to 00030-.IGPG |
| 0x30 | 01 26 00 00 | 38 | link to 00038-.IGPG |
| 0x30 | 01 31 00 00 | 49 | link to 00049-.IGPG |