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]: BnDcyzvRRtmraVBWCeTUMvCIZGTlg, IzyRFmraVBWCeTUMvCKjOvULQHVFfnB
[A]: BnDcyzvRRtabccemmrtuvvwIZGTlg, IzyRFabccemmrtuvvwKjOvULQHVFfnB


[Q]: OYCqICgWT, qEqICswY
[A]: OYCciqgWT, qEciqswY


[Q]: bWuamgALDNoKJHrBUDOYrbkR, ZPzMNUamgALDNoKJHrBUDOYrbylKYdygTeBMmiUhJ
[A]:
bWuaabbddghjklmnoorruykR, ZPzMNUaabbddghjklmnoorruyylKYdygTeBMmiUhJ