[
if
chance = 0.001
else
run
return
]

[
if
block = 5/-10/0 | !#minecraft:dirt
block = -5/-10/0 | !#minecraft:dirt
block = 0/-10/5 | !#minecraft:dirt
block = 0/-10/-5 | !#minecraft:dirt
run
return
]

[
if
block = 4/0/0 | #tanshugetrees:passable_blocks
block = -4/0/0 | #tanshugetrees:passable_blocks
block = 0/0/4 | #tanshugetrees:passable_blocks
block = 0/0/-4 | #tanshugetrees:passable_blocks
else
run
return
]

block = 1.0 | 0/0/0 | -3/0/-3/3/0/3 | minecraft:oak_slab[type=top] | #tanshugetrees:passable_blocks

block = 1.0 | 4/0/0 | 0/-10/0/0/0/0 | minecraft:ladder[facing=east] | #tanshugetrees:passable_blocks
block = 1.0 | -4/0/0 | 0/-10/0/0/0/0 | minecraft:ladder[facing=west] | #tanshugetrees:passable_blocks
block = 1.0 | 0/0/4 | 0/-10/0/0/0/0 | minecraft:ladder[facing=south] | #tanshugetrees:passable_blocks
block = 1.0 | 0/0/-4 | 0/-10/0/0/0/0 | minecraft:ladder[facing=north] | #tanshugetrees:passable_blocks

block = 1.0 | 3/1/3 | 0/0/0/0/0/0 | minecraft:oak_log | #tanshugetrees:passable_blocks
block = 1.0 | 3/1/-3 | 0/0/0/0/0/0 | minecraft:oak_log | #tanshugetrees:passable_blocks
block = 1.0 | -3/1/3 | 0/0/0/0/0/0 | minecraft:oak_log | #tanshugetrees:passable_blocks
block = 1.0 | -3/1/-3 | 0/0/0/0/0/0 | minecraft:oak_log | #tanshugetrees:passable_blocks

block = 1.0 | 3/1/1 | 0/0/0/0/0/0 | minecraft:oak_trapdoor[open=true,facing=west] | #tanshugetrees:passable_blocks
block = 1.0 | 3/1/-1 | 0/0/0/0/0/0 | minecraft:oak_trapdoor[open=true,facing=west] | #tanshugetrees:passable_blocks
block = 1.0 | -3/1/1 | 0/0/0/0/0/0 | minecraft:oak_trapdoor[open=true,facing=east] | #tanshugetrees:passable_blocks
block = 1.0 | -3/1/-1 | 0/0/0/0/0/0 | minecraft:oak_trapdoor[open=true,facing=east] | #tanshugetrees:passable_blocks
block = 1.0 | 1/1/3 | 0/0/0/0/0/0 | minecraft:oak_trapdoor[open=true,facing=north] | #tanshugetrees:passable_blocks
block = 1.0 | -1/1/3 | 0/0/0/0/0/0 | minecraft:oak_trapdoor[open=true,facing=north] | #tanshugetrees:passable_blocks
block = 1.0 | 1/1/-3 | 0/0/0/0/0/0 | minecraft:oak_trapdoor[open=true,facing=south] | #tanshugetrees:passable_blocks
block = 1.0 | -1/1/-3 | 0/0/0/0/0/0 | minecraft:oak_trapdoor[open=true,facing=south] | #tanshugetrees:passable_blocks