Question Number 147233 by jlewis last updated on 19/Jul/21
Commented by Olaf_Thorendsen last updated on 19/Jul/21
$$\mathrm{You}\:\mathrm{should}\:\mathrm{named}\:\mathrm{the}\:\mathrm{nodes}\:\mathrm{with} \\ $$$$\mathrm{letters}\:\mathrm{A},\:\mathrm{B},\:\mathrm{C}…\:.\:\mathrm{It}\:\mathrm{will}\:\mathrm{be}\:\mathrm{easiest}\:\mathrm{to} \\ $$$$\:\mathrm{answer}\:\mathrm{mister}. \\ $$