BIGFARMER

local w = 28
local r = 30
local i = 1
local success, data = turtle.inspectDown()
x = 0
print(x)
repeat
     x = x + 1
    repeat
        if success then
                if data.metadata == 7 then
                    turtle.digDown()
                    turtle.forward()
                    else
                turtle.forward()
                end
        end
    i = i + 1
    until i == w
        if (x % 2 == 0) then
                turtle.turnLeft()
            turtle.digDown()
            turtle.forward()
            turtle.turnLeft()
            i = 1
        else
            turtle.turnRight()
            turtle.digDown()
            turtle.forward()
            turtle.turnRight()
            i = 1
        end
print(x)
until x == r
turtle.dropDown()