G + R -> RG
RG -> G + R
R -> LR
LR -> R
Gt + R -> RGt
RGt -> Gt + R
Gd + R -> RGd
RGd -> Gd + R
G + LR -> LRG
LRG -> G + LR
Gt + LR -> LRGt
LRGt -> Gt + LR
Gd + LR -> LRGd
LRGd -> Gd + LR
RG -> LRG
LRG -> RG
RGt -> LRGt
LRGt -> RGt
G -> Gbg + Gt
Gt -> Gd
Gbg + Gd -> G
G -> Gbg + Gd
RG -> Gbg + RGt
LRG -> Gbg + LRGt
RGt -> RGd
LRGt -> LRGd
Gbg + RGd -> RG
RG -> Gbg + RGd
Gbg + LRGd -> LRG
LRG -> Gbg + LRGd
RGd -> LRGd
LRGd -> RGd
Gd -> Gt
RGd -> RGt
LRGd -> LRGt