import os

base = "/home/aria/kellogg_remake/extracted_pre/"
names = ["A","B","C","D","E","F","G","H","I","J","K","L","N","O","BLUME","WOLKE",
         "VITAMIN","COCOPOPS","SMACKIES","FROSTIES","LOOPS","TONY","SMACKS","TOUCAN",
         "COCO","PLATFW1","KEYS","GAMEBAR","KROKO","BOSSNAKE","DRAGON","DOORS"]

landmark = bytes.fromhex("7682b43a9f068882")

for nm in names:
    path = base+nm+".BOB"
    data = open(path,"rb").read()
    idx = data.find(landmark, 0, 64)
    pre = data[:idx] if idx>=0 else None
    print(f"{nm:10s} size={len(data):6d} landmark_at={idx:3d} preamble={pre.hex() if pre else 'NOTFOUND'}")