What is first test case

#1

sir my code is pass 2 and 3 test case but first test case are wrong so please tell me what is first case

#2

@sksumitkumardiwaker,
input: 12121
your output:
LLA
AUU
LAU
LABA
ABLA
ABAU
ABABA
AUBA

Correct output:
ABABA
ABAU
ABLA
AUBA
AUU
LABA
LAU
LLA

#3

I hope I’ve cleared your doubt. I ask you to please rate your experience here
Your feedback is very important. It helps us improve our platform and hence provide you
the learning experience you deserve.

On the off chance, you still have some questions or not find the answers satisfactory, you may reopen
the doubt.