Minecraft auto-shop

I have designed an auto-trading shop that can function in 2 directions with any trading pair and 1 ratio per direction.

Mall

The mall at the teleporter can sell up to 288 items: There is 32 chunk shops, each shop has 2 sides, each side can buy or sell 9 items.

Shopping categories

1. Ores
   1. Tin
   2. Gold
   3. Silver
   4. Copper
   5. Bismuth
   6. Nickel
   7. Zinc
   8. Iron
   9. Redstone
2. Alloy
   1. Black Bronze
   2. Bismuth Bronze
   3. Bronze
   4. Brass
3. Steels
   1. Steel
   2. Black Steel
   3. Red Steel
   4. Blue Steel
4. Stuff
   1. Igneuas alloy
   2. Rose quartz
5. Gems
   1. Diamond
   2. Ruby
6. Redstone
   1. Redstone
   2. Comparator
7. create
   1. Cogs
   2. Water wheel
8. armor
   1. Red steel
   2. Blue steel
   3. Industrial iron
9. tools
10. weapons