<!doctype html> <body> <math> <mmultiscripts> <mo>A</mo> <mprescripts/> <mmultiscripts> <mo>A</mo> <mprescripts/> <mo>A</mo> <mo>A</mo> </mmultiscripts> <mmultiscripts> <mo>A</mo> <mprescripts/> <mo>A</mo> <mo>A</mo> </mmultiscripts> </mmultiscripts> </math> </body>