Well that means that last entry in this table are special encouters.
enc_25=Chance:1%,Counter:1,Special,Map:Special Bridge Encounter,Enc:Special1, If(Player(Level) > 9) And If(Global(605) < 1)
enc_26=Chance:1%,Counter:1,Special,Map:Special Holy Encounter 2,Enc:Special1, If(Global(372) > 0)...