Gerdt R1549b R1630a R1749a R1749a H1568 H1665 H1665 H1674 H1674 H1780a S154 9b S1568a S1568b S1630a S1665a S1665a S1674a S1674a U1549b U1568 U1606 St156 8 St1568 S1651a H1651a R1713b R1713b Gerdts H1780a S1749b S1749b S1749c S1749c S1651a