Simple algorithm hai bro...
Aapne LKO quota se book ki... usme WL 4 tha.. ye jo current seats hai.. ye Aage BSB quota se khali seats transferred hui hai... Agar aap kisi source station se book karte toh ye nahi hota... usme aapko perfect availability dikhata...
Almost saare trains me RLWL wale cases me Yahi hota hai...