Möbius–Kantor graph
...that it is not possible to configure two mutually inscribed quadrilaterals in the Euclidean plane, but the Möbius–Kantor graph describes a solution in the complex projective plane?
...that it is not possible to <a class="mw-redirect" href="./Projective_configuration" id="mwAc0" rel="mw:WikiLink" title="Projective configuration">configure</a> two mutually <a class="mw-redirect" href="./Inscribe" id="mwAc4" rel="mw:WikiLink" title="Inscribe">inscribed</a> <a href="./Quadrilateral" id="mwAc8" rel="mw:WikiLink" title="Quadrilateral">quadrilaterals</a> in the <a href="./Euclidean_plane" id="mwAdA" rel="mw:WikiLink" title="Euclidean plane">Euclidean plane</a>, but the <b id="mwAdE"><a href="./Möbius–Kantor_graph" id="mwAdI" rel="mw:WikiLink" title="Möbius–Kantor graph">Möbius–Kantor graph</a></b> (<i id="mwAdM">pictured</i>) describes a solution in the <a href="./Complex_projective_plane" id="mwAdQ" rel="mw:WikiLink" title="Complex projective plane">complex projective plane</a>?