Never ending story

722, 56712, 1717676, 5722, 56712, 17176765, 222, 2(2)2(6), (6)222(2)1 (6)2224(2)2, 1(6)222(2)11(6)6522, 171767656 722, 56712, 1717676, 5722, 56712, 17176765, 222, 2(2)2,