{
  "tiers": [
    {
      "total_exp_required": 0,
      "trades": [
        {
          "wants": [
            {
              "item": "minecraft:clay_ball",
              "quantity": 10,
              "price_multiplier": 0.05
            }
          ],
          "gives": [
            {
              "item": "minecraft:emerald",
              "quantity": 1
            }
          ],
          "trader_exp": 2,
          "max_uses": 16,
          "reward_exp": true
        },
        {
          "wants": [
            {
              "item": "minecraft:emerald",
              "quantity": 1,
              "price_multiplier": 0.05
            }
          ],
          "gives": [
            {
              "item": "minecraft:brick",
              "quantity": 10
            }
          ],
          "trader_exp": 1,
          "max_uses": 16,
          "reward_exp": true
        }
      ]
    },
    {
      "total_exp_required": 10,
      "trades": [
        {
          "wants": [
            {
              "item": "minecraft:stone:0",
              "quantity": 20,
              "price_multiplier": 0.05
            }
          ],
          "gives": [
            {
              "item": "minecraft:emerald",
              "quantity": 1
            }
          ],
          "trader_exp": 10,
          "max_uses": 16,
          "reward_exp": true
        },
        {
          "wants": [
            {
              "item": "minecraft:emerald",
              "quantity": 1,
              "price_multiplier": 0.05
            }
          ],
          "gives": [
            {
              "item": "minecraft:stonebrick:3",
              "quantity": 4
            }
          ],
          "trader_exp": 5,
          "max_uses": 16,
          "reward_exp": true
        }
      ]
    },    
    {
      "total_exp_required": 70,
      "trades": [
        {
          "wants": [
            {
              "choice": [
                {
                  "item": "minecraft:stone:1",
                  "quantity": 16,
                  "price_multiplier": 0.05
                },
                {
                  "item": "minecraft:stone:3",
                  "quantity": 16,
                  "price_multiplier": 0.05
                },
                {
                  "item": "minecraft:stone:5",
                  "quantity": 16,
                  "price_multiplier": 0.05
                }
              ]
            }
          ],
          "gives": [
            {
              "item": "minecraft:emerald",
              "quantity": 1
            }
          ],
          "trader_exp": 20,
          "max_uses": 16,
          "reward_exp": true
        },
        {
          "wants": [
            {
              "item": "minecraft:emerald",
              "quantity": 1,
              "price_multiplier": 0.05
            }
          ],
          "gives": [
            {
              "choice": [
                {
                  "item": "minecraft:stone:2",
                  "quantity": 4
                },
                {
                  "item": "minecraft:stone:4",
                  "quantity": 4
                },
                {
                  "item": "minecraft:stone:6",
                  "quantity": 4
                },
                {
                  "item": "minecraft:dripstone_block",
                  "quantity": 4
                }
              ]
            }
          ],
          "trader_exp": 10,
          "max_uses": 16,
          "reward_exp": true
        }
      ]
    },
    {
      "total_exp_required": 150,
      "trades": [
        {
          "wants": [
            {
              "item": "minecraft:quartz",
              "quantity": 12,
              "price_multiplier": 0.05
            }
          ],
          "gives": [
            {
              "item": "minecraft:emerald",
              "quantity": 1
            }
          ],
          "trader_exp": 30,
          "max_uses": 12,
          "reward_exp": true
        },
        {
          "wants": [
            {
              "item": "minecraft:emerald",
              "quantity": 1,
              "price_multiplier": 0.05
            }
          ],
          "gives": [
            {
              "choice": [
                {
                  "item": "minecraft:stained_hardened_clay:0"
                },
                {
                  "item": "minecraft:stained_hardened_clay:1"
                },
                {
                  "item": "minecraft:stained_hardened_clay:2"
                },
                {
                  "item": "minecraft:stained_hardened_clay:3"
                },
                {
                  "item": "minecraft:stained_hardened_clay:4"
                },
                {
                  "item": "minecraft:stained_hardened_clay:5"
                },
                {
                  "item": "minecraft:stained_hardened_clay:6"
                },
                {
                  "item": "minecraft:stained_hardened_clay:7"
                },
                {
                  "item": "minecraft:stained_hardened_clay:8"
                },
                {
                  "item": "minecraft:stained_hardened_clay:9"
                },
                {
                  "item": "minecraft:stained_hardened_clay:10"
                },
                {
                  "item": "minecraft:stained_hardened_clay:11"
                },
                {
                  "item": "minecraft:stained_hardened_clay:12"
                },
                {
                  "item": "minecraft:stained_hardened_clay:13"
                },
                {
                  "item": "minecraft:stained_hardened_clay:14"
                },
                {
                  "item": "minecraft:stained_hardened_clay:15"
                },
                {
                  "item": "minecraft:black_glazed_terracotta"
                },
                {
                  "item": "minecraft:blue_glazed_terracotta"
                },
                {
                  "item": "minecraft:brown_glazed_terracotta"
                },
                {
                  "item": "minecraft:cyan_glazed_terracotta"
                },
                {
                  "item": "minecraft:gray_glazed_terracotta"
                },
                {
                  "item": "minecraft:green_glazed_terracotta"
                },
                {
                  "item": "minecraft:light_blue_glazed_terracotta"
                },
                {
                  "item": "minecraft:lime_glazed_terracotta"
                },
                {
                  "item": "minecraft:magenta_glazed_terracotta"
                },
                {
                  "item": "minecraft:orange_glazed_terracotta"
                },
                {
                  "item": "minecraft:pink_glazed_terracotta"
                },
                {
                  "item": "minecraft:purple_glazed_terracotta"
                },
                {
                  "item": "minecraft:red_glazed_terracotta"
                },
                {
                  "item": "minecraft:silver_glazed_terracotta"
                },
                {
                  "item": "minecraft:white_glazed_terracotta"
                },
                {
                  "item": "minecraft:yellow_glazed_terracotta"
                }
              ]
            }
          ],
          "trader_exp": 15,
          "max_uses": 12,
          "reward_exp": true
        }
      ]
    },
    {
      "total_exp_required": 250,
      "trades": [
        {
          "wants": [
            {
              "item": "minecraft:emerald",
              "quantity": 1,
              "price_multiplier": 0.05
            }
          ],
          "gives": [
            {
              "choice": [
                {
                  "item": "minecraft:quartz_block:0"
                },
                {
                  "item": "minecraft:quartz_block:2"
                }
              ]
            }
          ],
          "trader_exp": 30,
          "max_uses": 12,
          "reward_exp": true
        }
      ]
    }
  ]
}