barred pattern,barredspiral

预订 no holds barred: no holding back [9781643676517]
现货 wapsi 圆形细胶腿barred round runner干式若虫虾飞钓飞蝇烧
【预订】the illustrated owl: barn, barred, & great horned
restricted patience sorting and barred pattern avoidance
observable properties of double-barred galaxies in n-body