4 minecraft:iron_block
2 minecraft:air
5 minecraft:stone_slab[half=top,variant=stone]
3 minecraft:grass[snowy=false]
1 minecraft:sponge[wet=false]
8 minecraft:stone_stairs[facing=north,half=top,shape=straight]
6 minecraft:stonebrick[variant=stonebrick]
12 minecraft:double_stone_slab[seamless=false,variant=cobblestone]
11 minecraft:stone_slab[half=top,variant=cobblestone]
10 minecraft:cobblestone_wall[east=false,north=false,south=false,up=true,variant=cobblestone,west=true]
9 minecraft:stone_slab[half=bottom,variant=stone_brick]
7 minecraft:stone_stairs[facing=south,half=top,shape=straight]
