স্থায়ী দাঁতের সংকেত হলো?

$\frac{1_{2} \mathrm{C}_{1} \mathrm{Pm}_{2} \mathrm{M}_{3} \times 2}{\mathrm{l}_{2} \mathrm{C}_{1} \mathrm{Pm}_{2} \mathrm{M}_{3} \times 2}$

$\frac{l_{2} \mathrm{C}_{1} \mathrm{Pm}_{1} \mathrm{M}_{3} \times 2}{\mathrm{l}_{1} \mathrm{C}_{1} \mathrm{Pm}_{1} \mathrm{M}_{3} \times 2}$

$\frac{1_{2} \mathrm{C}_{1} \mathrm{Pm}_{3} \mathrm{M}_{3} \times 2}{\mathrm{l}_{2} \mathrm{C}_{1} \mathrm{Pm}_{3} \mathrm{M}_{3} \times 2}$

$\frac{\mathrm{l}_{2} \mathrm{C}_{1} \mathrm{Pm}_{2} \mathrm{M}_{2} \times 2}{\mathrm{l}_{2} \mathrm{C}_{1} \mathrm{Pm}_{2} \mathrm{M}_{2} \times 2}$