Tower15

shell.run("clear")
print("Note:")
print("- For now, please ensure that this turtle has sufficient fuel already registered")
print("- Please ensure that there is a suitable method of restocking this turtle via enderchest")
sleep(3)
shell.run("clear")
print("How many blocks high do you wish the tower to be?")
sleep(0.5)
local height = tonumber(read())
shell.run("clear")
print("Construction in progress")

function RPlace()  -- Selecting random block, and placing it down in the world
local q = 0
repeat
local r = math.random(1, 12)
    if q == 15 then  -- Checking if the turtle needs to be restocked
        local q = 0
        print("Restocking")
        turtle.select(16)  -- Enderchest
        turtle.placeDown()
    local s = 0
        repeat
        turtle.suckDown()
    s = s + 1
    until s == 12
    turtle.digDown()
    end
q = q + 1
turtle.select(r)
until turtle.getItemCount(r) > 1
turtle.placeDown()
end

local k = 0  -- Level counter
repeat

local j = 0  -- Circle Start
repeat
    local i = 0
        repeat
        RPlace()  --SB1-5
        turtle.forward()
    i = i + 1
    until i == tonumber(5)

    turtle.turnRight()
    turtle.forward()
        RPlace()  -- CB1
    turtle.turnLeft()
    turtle.forward()
        RPlace()  -- CB2
    turtle.forward()
    turtle.turnRight()
    turtle.forward()
        RPlace()  -- CB3
    turtle.turnLeft()
    turtle.forward()
    turtle.turnRight()
    turtle.forward()
        RPlace()  -- CB4
    turtle.forward()
        RPlace()  -- CB5
    turtle.turnLeft()
    turtle.forward()
    turtle.turnRight()
    turtle.forward()

j = j + 1
until j == 4

turtle.up()
k = k + 1
until k == height

print("Construction complete!")