window is part of:

window contains:
    80%  mullion
    80%  pane

Full expansion for window:
   100%  Train Window Pane for 1x2x3 Frame
   100%  Train Window Pane for 1x4x3 Frame
   100%  Window Pane for 1x4x3 Frame
   100%  Window Pane for 1x4x5 Frame
   100%  1x2x2 Airplane Window w/ Pane
   100%  1x4x2 Airplane Window w/ Pane
   100%  1x4x5 Window w/ Pane
   100%  1x4x5 Window w/ Pane from 6566 Bank
   100%  1x4x6 Tri-Pane Window
   100%  1x4x7 Tri-Pane Window
   100%  3x8x7 9-Pane Bay Window
    95%  1x2x2 Airplane Window, no Pane
    80%  Window Mullion (1x4x3 compatible)
    80%  Window Mullion (0 Pair), Lattice
    80%  Window Shutter (1x4x3 compatible)
    80%  1x2x2.5 Arch Window Frame
    80%  1x2x2.5 Arch Window Mullion, Barbs
    80%  1x2x2.5 Arch Window Mullion, Lattice
    80%  1x2x3 Train-Window Frame
    80%  1x4x3 Thin-Wall Window w/ LtBlue Glass
    80%  1x4x3 Thin-Wall w/ White Stripes+Red
    80%  1x4x3 Window Frame
    80%  1x4x5 Window Frame
    80%  2x4x3 Window Frame
    80%  2x6x6 Frame w/ FreeStyle Windows
    80%  3x4x3 Sloped Wall w/ Round Window
    80%  4x4 Window-Hinge Plate
    50%  Mirror Sticker for 1x4x5 Windows
    50%  1x1.5x2 Small Classic Shutter
    50%  1x1x2 Brick w/ Shutter Fingers
    50%  1x2x2 Classic 70's Window w/ Pane
    50%  1x4x3 Train-Window Frame
    50%  1x4x7 Tri-Pane Door
    40%  Window Blinds Sticker Sheet from 6666
    10%  Mirror Sticker for 1x4x3 Window
    10%  Mirror Sticker for 1x4x5 Window