SSC CPO SI and ASI Model Paper 10

The question given below is based on the following letter-number-symbol arrangement. Study it carefully and answer the given question. @ J @ 1 # 2 K 3 6 $\mathrm{\$}$ L 2 4 2 R 6 4 2 G 5 2 $\mathrm{\$}$ Ø 4 2 % Which letter will be the ${7_{}^{\mathit{t}}}_{}^{\mathit{h}}$ letter to the left of the letter which is ${3_{}^{\mathit{r}}}_{}^{\mathit{d}}$from the right?