staired is part of:
    50%  stair

staired contains:

Full expansion for staired:
   100%  1x12x3 Staired Full-Arch Brick
    90%  6x4x6 Staired Sloped Wall, Jackal Decor
    90%  6x4x6 Staired Sloped Wall, Owl Decor
    90%  6x4x6 Staired Sloped Wall