O3 Mini High
Place 9 poles with lengths 1,2,3,4,5,6,7,8,9, perp...
Place 9 poles with lengths 1,2,3,4,5,6,7,8,9, perpendicular to the x-axis at positions 1,2,3,4,5,6,7,8,9, such that the top of each pole faces (in a straight line) at most 3 of the other poles. The po...