stone

local SuckCount = 64;
local slot = 2;

function suck_items()
    for suck = 1,9 do
       turtle.select(slot);
       turtle.suckUp(SuckCount);
       slot = slot + 1;
       SuckCount = SuckCount - 8;
    end;
end;


turtle.refuel(64);

suck_items();

turtle.select(2);
turtle.forward();

local x = 16;
local x2 = 3;

function LevelUp()
    turtle.forward();
    turtle.turnRight();
    turtle.forward();
    turtle.turnLeft();
    turtle.select(x2);
    x2 = x2 + 1;
end;

function Place()
    for i = 1, 8 do
        for i = 1, 4 do
            for placer = 1, x do
                turtle.forward();
                turtle.placeDown();
            end;
            turtle.turnRight();
        end;
        LevelUp();
        x = x - 2;
    end;
end;

for Godown = 1, 20 do
    turtle.down();
end;

Place();