FloorMine

while true do
    while turtle.getFuelLevel() == 0 then
        print("Insert fuel into slot 0")
        turtle.refuel()
        sleep(2)
    end
    isBlock,blockName = turtle.inspectDown()
    if blockName == "minecraft.cobblestone" then
        turtle.digDown()
        turtle.forward()
    else
        turtle.turnRight()
        turtle.turnRight()
        turtle.forward()
        turtle.turnRight()
        turtle.forward()
    end
end