terra.lua

s = read()
level = 0

function terrinha()
level2 = 0
while(turtle.detectUp()) do
level2 = level2+1
turtle.digUp()
turtle.up()
end
for t = 0, level2, 1 do
turtle.down()
end

end

for i = 0, s, 1 do


    for j = 0, s, 1 do
        if(turtle.getFuelLevel() < 20) then
            turtle.select(16)
            turtle.refuel(1)
            turtle.select(1)
        end
        turtle.dig()
        turtle.forward()
        while(turtle.detectUp()) do
            turtle.digUp()
            level = level + 1
            turtle.up()
        end
        for w = 0, level, 1 do
        turtle.down()
        end
    end
    if((i+2)%2 == 0) then
    turtle.turnLeft()
    turtle.dig()
    turtle.forward()
    turtle.turnLeft()
    terrinha()
    else
    turtle.turnRight()
    turtle.dig()
    turtle.forward()
    turtle.turnRight()
   terrinha()
     end
end