Code Format: [Face][Half][Sec][Sec]
Char 1 — Face
RRight side
LLeft side
TTop/Roof
BBottom/Floor
FFront end
DDoor end
Char 2 — Half
T/BTop/Bottom half
H/GRail (high/ground)
L/RLeft/Right (horiz)
XBoth halves
Char 3–4 — Section(s)
1NSingle section 1
13Sections 1 to 3
XXAll sections