r1to39
 R17a |
 R17b |
 R18a |
 R18b |
 R19a |
 R19b |
 R20 |
 R21 |
 R22a |
 R22b |
 R23 |
 R24a |
 R24b |
 R25a |
 R25b |
 R25c |
 R26a |
 R26b |
 R27a |
 R27b |
 R28a |
 R28b |
 R29ab |
 R30b |