Two comments, two opinions. Lets test whether FunkyMonk is right:
perl -e ' $A[5][2]= 33; $B[1][1]=4; $B[5][2]= $A[1][1]; $B[1][1]=9; p
+rint "A=$A[5][2], B=$B[1][1]\n";'
A=33, B=9
You see, your code should be working, like FunkyMonk predicted. You have a bug somewhere else
To understand what [][] means, it is just a short form of []->[]. So you really have only pointers to arrays in each $AoA1[...]. Exactly as in C.
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