ðɛɹ ɪz ɐn ˌɪndᵻpˈɛndənt sˈɛt ʌv sˈaɪz fˈɪftiːn ðæt ɪŋklˈuːdz vˈiː. dᵻlˈiːt ðə sˈɛvən nˈeɪbɚz ʌv vˈiː, ænd ðə hˈoʊl ˌɪndᵻpˈɛndənt sˈɛt ɪŋklˈuːdɪŋ vˈiː, lˈiːvɪŋ bᵻhˌaɪnd ðə kˈɑːksɛɾɚ ɡɹˈæf.
There is an independent set of size 15 that includes v. Delete the 7 neighbors of v, and the whole independent set including v, leaving behind the Coxeter graph.