d anti-wrinkle
g h a b c d d e f g g h h h b c c
d d d
d d d d d d d d d d c c c b b b a
a a h
h g f e e d c b a h g f e d
c b a
g f e c b h g e d d c a h f d
c a g
e c a g e c a f d b h e c h f
d a f
d a f d a g d a f c h e b g d
a f b
g d a e b f c h d h e a e b f
b f b
f b f b f b f a e a e h d g c
g b e