@RNGS - Rings
Specifies a list of cyclic path in the graph. Graph connectivity should be specified in @NGPH format in a separate file.
| Data | Type | Description |
|---|---|---|
| @RNGS | 5 fixed characters | A tag |
| N | integer | Number of nodes in the graph |
| n a1 a2 a3 … an | A list of integers separated by a space character. | Ring size and the nodes in the ring. |
| … | (repeat) | |
| 0 | one fixed character | Terminator |