ENTRY TO SELL = IF THE PURPLE ZONE IS BROKEN DOWN
TP IS SHOWN IN FIG
SL = ABOVE THE PURPLE ZONE
OR
ENTRY TO BUY = IF THE PURPLE ZONE IS BROKEN UP
TP IS SHOWN IN FIG
SL = BELOW THE PURPLE ZONE
TP IS SHOWN IN FIG
SL = ABOVE THE PURPLE ZONE
OR
ENTRY TO BUY = IF THE PURPLE ZONE IS BROKEN UP
TP IS SHOWN IN FIG
SL = BELOW THE PURPLE ZONE