Nice one ! New list of missing Row numbers that might be things we haven't noticed yet (or aren't in game yet) or might not support :
636-641 (middle of General Store) - ? Generic summer holiday stuff plus other
624 (after White Citadel, before General Store) - ?
590 (after Tweedleporium, before Nervewreckers) - ?
510 (middle of Uncle P's) - ? maybe placeholder for antique map (no longer obtainable)
426 (after topiary) - 465 (before armory) - ? (my bet is a store or concoctions in the next challenge path)
379 (after The Armory) - 388 (before Crimbo 2014) - ?
362 (middle of Arcade Ticket Counter) - ?
290 Red Zeppelin ticket buy with Diamond
288 (middle of Black Market) - spare kidney ?
260 (after Rumplestiltskin) - 266 (before Still) - ?
132 (after Grandma, before star chart) - scale-mail underwear, added in r15414
113 (after Jarlsberg) - 115 (before Grandma) - ? two might be alternative ways to get crappy Mer-kin mask?
16 (after Trapper) - 25 (before Pixels) - ?
10 (middle of FDKOL Tent) - ?
5-6 (middle of FDKOL Tent) - drop of water-37 and FDKOL hotcakes? (no longer obtainable)
1-2 (before FDKOL Tent) -