In this task, you are given two strings A,B. You must perform the following operations to generate the required output list: (i) Find the longest common substring in the strings A and B, (ii) Convert this substring to all lowercase and sort it alphabetically, (iii) Replace the substring at its respective positions in the two lists with the updated substring.

Q: UavQtLUICEJzHMDv, tVjjvXBnpwwvQtLUICEJzHMKbFJzU

A: UacehijlmqtuvzDv, tVjjvXBnpwwcehijlmqtuvzKbFJzU
****
Q: kapurglBwxt, WPurglhrOd

A: kapglruBwxt, WPglruhrOd
****
Q: WeBJYdXpMwbpfXwJjlQlyxHUAqsv, RMcSMhZMEOWepMwbpfXwJjlQlXphAiUZ

A:
WeBJYdXbfjjllmppqwwxyxHUAqsv, RMcSMhZMEOWebfjjllmppqwwxXphAiUZ
****