local whereWall = nil
local curWall = nil
local blockToWall = {
 ["minecraft:stripped_oak_log"]=0,
 ["minecraft:oak_log"]=1,
 ["minecraft:bricks"]=2,
}
while whereWall == nil or curWall == nil do
 local s,b = turtle.inspect()
 if b.name == "minecraft:stripped_oak_log" or b.name == "minecraft:oak_log" or b.name == "minecraft:bricks" then
 whereWall = 0
 curWall = blockToWall[b.name]
 break
 else
 turtle.turnLeft()
 end
 
end
print("Found wall: ", curWall)
function turnLeft()
 turtle.turnLeft()
 whereWall = (whereWall - 1) % 4
end
function turnRight()
 turtle.turnRight()
 whereWall = (whereWall + 1) % 4
end
function forward() 
 if whereWall % 2 == 0 then
 return false, "may not escape 2d working area or run into wall"
 end
 
 local s,r = turtle.forward()
 if not s then
 return false, r
 end
 if whereWall == 1 then
 curWall = (curWall + 1) % 3
 return true
 elseif whereWall == 3 then
 curWall = (curWall - 1) % 3
 return true
 end
end
function goWall(wall)
 if curWall ~= wall then
 dist = wall - curWall
 if dist> 0 and whereWall ~= 1 then
 while whereWall ~= 1 do 
 if whereWall> 1 then 
 turnLeft()
 else
 turnRight() 
 end
 end
 elseif dist < 0 and whereWall ~= 3 then 
 while whereWall ~= 3 do 
 if whereWall < 1 then 
 turnLeft()
 else
 turnRight() 
 end
 end
 end
 dist = math.abs(dist)
 for i=1,dist do
 forward()
 end
 end
end
function cabinet()
 goWall(2)
end
cabinet()
while true do
 local success, block = turtle.inspectDown()
 addItemDown("farmersdelight:tomato_sauce",64)
end
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://pastebin.com/raw/eds4WaZp">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://pastebin.com/raw/eds4WaZp" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
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<option value="contrast" selected="selected">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>