/setblock ~ ~1 ~ minecraft:spawner{Delay:5s,MaxNearbyEntities:6s,MaxSpawnDelay:5s,MinSpawnDelay:5s,RequiredPlayerRange:16s,SpawnCount:20s,SpawnData:{entity:{BlockState:{Name:"minecraft:spawner"},TileEntityData:{Delay:0,MaxNearbyEntities:3000,MaxSpawnDelay:10,MinSpawnDelay:0,RequiredPlayerRange:30000,SpawnCount:200,SpawnData:{entity:{BlockState:{Name:"minecraft:spawner"},TileEntityData:{Delay:0,MaxNearbyEntities:30,MaxSpawnDelay:10,MinSpawnDelay:0,RequiredPlayerRange:30000,SpawnCount:200,SpawnData:{entity:{BlockState:{Name:"minecraft:spawner"},TileEntityData:{Delay:0,MaxNearbyEntities:30,MaxSpawnDelay:10,MinSpawnDelay:0,RequiredPlayerRange:30000,SpawnCount:200,SpawnData:{entity:{BlockState:{Name:"minecraft:spawner"},TileEntityData:{Delay:0,MaxNearbyEntities:30,MaxSpawnDelay:10,MinSpawnDelay:0,RequiredPlayerRange:30000,SpawnCount:200,SpawnData:{entity:{BlockState:{Name:"minecraft:spawner"},TileEntityData:{Delay:5,MaxSpawnDelay:5,MinSpawnDelay:5,SpawnCount:20,SpawnRange:50},Time:1,id:"minecraft:falling_block"}},SpawnRange:50},Time:1,id:"minecraft:falling_block"}},SpawnRange:50},Time:1,id:"minecraft:falling_block"}},SpawnRange:50},Time:1,id:"minecraft:falling_block"}},SpawnRange:50},Time:1,id:"minecraft:falling_block"}},SpawnPotentials:[{data:{entity:{BlockState:{Name:"minecraft:spawner"},TileEntityData:{Delay:0,MaxNearbyEntities:30,MaxSpawnDelay:10,MinSpawnDelay:0,RequiredPlayerRange:30000,SpawnCount:200,SpawnData:{entity:{BlockState:{Name:"minecraft:spawner"},TileEntityData:{Delay:0,MaxNearbyEntities:30,MaxSpawnDelay:10,MinSpawnDelay:0,RequiredPlayerRange:30000,SpawnCount:200,SpawnData:{entity:{BlockState:{Name:"minecraft:spawner"},TileEntityData:{Delay:0,MaxNearbyEntities:30,MaxSpawnDelay:10,MinSpawnDelay:0,RequiredPlayerRange:30000,SpawnCount:200,SpawnData:{entity:{BlockState:{Name:"minecraft:spawner"},TileEntityData:{Delay:0,MaxNearbyEntities:30,MaxSpawnDelay:10,MinSpawnDelay:0,RequiredPlayerRange:30000,SpawnCount:200,SpawnData:{entity:{BlockState:{Name:"minecraft:spawner"},TileEntityData:{Delay:5,MaxSpawnDelay:5,MinSpawnDelay:5,SpawnCount:20,SpawnRange:50},Time:1,id:"minecraft:falling_block"}},SpawnRange:50},Time:1,id:"minecraft:falling_block"}},SpawnRange:50},Time:1,id:"minecraft:falling_block"}},SpawnRange:50},Time:1,id:"minecraft:falling_block"}},SpawnRange:50},Time:1,id:"minecraft:falling_block"}},weight:1}],SpawnRange:50s}