P1 only
PH1 on P1
PH1reversed on P1
PH2 on P1
PH1 on P2
PH1reversed on P2
PH2reversed on P1
PH3reversed on P1
PH4 on P1
PH4reversed on P1
P2 only
PH2 on P2
PH2reversed on P2
PH3 on P1
PH3 on P2
PH3reversed on P2
PH4 on P2
PH4reversed on P2
P3 only
PH3reversed on P3
PH3 on P3
PH1 on P3
PH1reversed on P3
PH2 on P3
PH2reversed on P3
PH4 on P3
PH4reversed on P3
P4 only
PH4 on P4
PH4reversed on P4
PH1 on P4
PH1reversed on P4
PH2 on P4
PH3 on P4
PH3reversed on P4
PH2reversed on P4
G1 only
GH1 on G1
GH1reversed on G1
G2 only
GH2 on G2
GH2reversed on G2
G3 only
GH3 on G3
GH3reversed on G3
G4 only
GH4 on G4
GH4reversed on G4
Title?