Question Number 57310 by ANTARES VY last updated on 02/Apr/19
Commented by ANTARES VY last updated on 02/Apr/19
$$\boldsymbol{\mathrm{find}}\:\boldsymbol{\mathrm{the}}\:\:\boldsymbol{\mathrm{S}}_{\boldsymbol{\mathrm{A}}'\boldsymbol{\mathrm{B}}'\boldsymbol{\mathrm{C}}'} \\ $$