+--------+--------+--------+--------+
| rgprec | rrprec | srprec | svprec |
+--------+--------+--------+--------+
| 11     | 01     | 01     | 01     |
| 21     | 02     | 02     | 02     |
| 31     | 03     | 03     | 03     |
| 41     | 04     | 04     | 04     |
| 51     | 05     | 05     | 05     |
+--------+--------+--------+--------+