3x3 tunnel by anti krisis(edit. lOOigi)

tArgs={...}
len=tonumber(tArgs[1])

i=0
k=0
m=0
h=0
svet=1

function digi(k)

if k==1 then
m=1
while m==1 do
if turtle.detect() then
turtle.dig()
sleep(0.5)
end
if turtle.detect()==false then
m=0
end
end
end

if k==2 then
m=1
while m==1 do
if turtle.detectUp() then
turtle.digUp()
sleep(0.5)
end
if turtle.detectUp()==false then
m=0
end
end
end

if k==3 then
m=1
while m==1 do
if turtle.detectDown() then
turtle.digDown()
sleep(0.5)
end
if turtle.detectDown()==false then
m=0
end
end
end

end

while i~=len do
digi(1)
turtle.forward()
digi(2)
digi(3)
turtle.turnLeft()
digi(1)
turtle.forward()
digi(2)
digi(3)
turtle.turnRight()
turtle.turnRight()
turtle.forward()
digi(1)
turtle.forward()
digi(2)
digi(3)
turtle.turnLeft()
turtle.turnLeft()
turtle.forward()
if svet==7 then
turtle.select(1)
turtle.place()
svet=0
end
turtle.turnRight()

if turtle.getItemCount(16)>0 then
turtle.turnLeft()
turtle.down()
turtle.select(2)
turtle.place()

for h=1,14 do
turtle.select(h+2)
turtle.drop()
end
turtle.select(3)
turtle.turnRight()
turtle.up()
end



i=i+1
svet=svet+1

end