1 Block{minecraft:air}
2 Block{minecraft:netherrack}
3 Block{minecraft:cave_air}
4 Block{minecraft:lava}[level=1]
5 Block{minecraft:fire}[age=0,east=false,north=false,south=false,up=false,west=false]
6 Block{minecraft:crimson_nylium}
7 Block{minecraft:crimson_roots}
