Computer Science Encryption Problem. Please do a-c and show your work thank you.

6. 3 pts) Below is a substitution table (S-box) expressed in octal (base-8, digits are 0-7). Note that it replaces two digits with one digit, cutting the size of the resultant string in half Use the table to replace each of the following 8-digit values with 4-digit values, by using the first digit of each pair to index the row and the second to index the column. a. 24 52 15 67 b. 00 24 45 54 . 37 73 65 01