User:Debenben/test

• ${\phantom{A}}_{\phantom{}}^{\phantom{3}}{\phantom{A}}_{\phantom{2}}^{\phantom{2}3}\mathrm{X}$
• ${\phantom{A}}^3[\mathrm{X}]$
• ${}^{\mathrm{3}}[\mathrm{X}]$
• ${\phantom{A}}^3[\mathrm{X}]\mathrm{Y}$
• ${}^{\mathrm{3}}[\mathrm{X}]\mathrm{Y}$
• ${}^{\mathrm{3}}[\mathrm{X}]\mathrm{Y}$