1(minecraft:obsidian),
2(minecraft:quartz_block),
3(minecraft:iron_bars[east=true,north=false,south=false,waterlogged=false,west=true]),
4(minecraft:iron_bars[east=false,north=true,south=true,waterlogged=false,west=false])
|HDDDDP(1)LP(1)LP(1)LP(1)LP(1)RRRRFP(1)LP(2)LP(2)LP(2)LP(1)RRRRFP(1)LP(2)LP(2)LP(2)LP(1)RRRRFP(1)LP(2)LP(2)LP(2)LP(1)RRRRFP(1)LP(1)LP(1)LP(1)LP(1)RRRRUBBBBP(1)LP(3)LP(3)LP(3)LP(1)RRRRFP(4)LLLLP(4)RRRRFP(4)LLP(1)LLP(4)RRRRFP(4)LLLLP(4)RRRRFP(1)LP(3)LP(3)LP(3)LP(1)RRRRUBBBBP(1)LP(3)LP(3)LP(3)LP(1)RRRRFP(4)LLLLP(4)RRRRFP(4)LLP(1)LLP(4)RRRRFP(4)LLLLP(4)RRRRFP(1)LP(3)LP(3)LP(3)LP(1)RRRRUBBBBP(1)LP(3)LP(3)LP(3)LP(1)RRRRFP(4)LLLLP(4)RRRRFP(4)LLP(1)LLP(4)RRRRFP(4)LLLLP(4)RRRRFP(1)LP(3)LP(3)LP(3)LP(1)RRRRUBBBBP(1)LP(1)LP(1)LP(1)LP(1)RRRRFP(1)LP(2)LP(2)LP(2)LP(1)RRRRFP(1)LP(2)LP(2)LP(2)LP(1)RRRRFP(1)LP(2)LP(2)LP(2)LP(1)RRRRFP(1)LP(1)LP(1)LP(1)LP(1)