A cryptography student has accidentally used the same keystream to encrypt two different messages, $1$ and $2.$ We know that the ciphertexts are $1=0790060127$ and $2=08773985.$ We also happen to know that $1=09481245141$

$.$

a$)$ What is $2$

in hexadecimal? Please give your answer a leading $0$x and use lowercase letters only.