S

VPOPn

[VPOPn]
QOOOn VQOOOn SOOOn

[QOOOn]

[VQOOOn]

[SOOOn]
UOOOn XOOOn POOOOn

[UOOOn]

[XOOOn]

[POOOOn]
QOOOOn ROOOOn SOOOOn

[QOOOOn]

[ROOOOn]

[SOOOOn]