1 minecraft:lava[level=0]
2 minecraft:air
3 minecraft:nether_brick
4 minecraft:nether_brick_fence[east=true,north=false,south=true,west=false]
5 minecraft:nether_brick_fence[east=false,north=true,south=true,west=false]
6 minecraft:nether_brick_fence[east=true,north=true,south=false,west=false]
7 minecraft:nether_brick_fence[east=false,north=false,south=false,west=true]
8 minecraft:nether_brick_fence[east=true,north=false,south=false,west=true]
9 minecraft:mob_spawner
10 minecraft:nether_brick_fence[east=true,north=false,south=false,west=false]
11 minecraft:nether_brick_fence[east=false,north=false,south=true,west=true]
12 minecraft:nether_brick_fence[east=false,north=true,south=false,west=true]
13 minecraft:netherrack
14 minecraft:gravel
15 minecraft:quartz_ore
16 minecraft:fire[age=0,east=false,north=false,south=false,up=false,west=false]
