[1,4,8,48,88,488,888,4888,8888,48888,88888,488888, 888888,4888888,8888888,48888888,88888888, 488888888,888888888,4888888888,8888888888, 48888888888,88888888888,488888888888,888888888888, 4888888888888,8888888888888,48888888888888]