Tower of sheeps
16×16 tower base.
3-high floors, with 1-high floor/ceiling (total 4/floor). Colour order:
14 edge pieces of concrete per side, 4 corner pieces = 18/side = 72/floor
3*14 panes per side = 3*14*4 = 168 panes per side = 66 glass blocks/colour
8 blocks/dye = total 30 dye per colour
4 off the ground (basement/plinth/something)
16-high sheep on top.