r tangle↔sdtone.web↔nul:↔sdtone.psc↔↔
|r tangle↔sdtone.web↔cosd.ch↔cosd.psc↔↔
|r tangle↔sdtone.web↔ssph.ch↔ssph.psc↔↔
|r tangle↔sdtone.web↔scsph.ch↔scsph.psc↔↔
|r tangle↔aries.web↔nul:↔aries.psc↔↔
|r tangle↔aries.web↔cosd.ch↔acosd.psc↔↔
|r tangle↔aries.web↔ssph.ch↔assph.psc↔↔
|r tangle↔aries.web↔scsph.ch↔ascsph.psc↔↔
|r tangle↔sdtone.web↔sbound.ch↔sbound.psc↔↔