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use strict; use warnings; ... print "$_: $hash{$_}{same} vs $hash{$_}{new}\n"; }
1: ARRAY(0x34f88) vs ARRAY(0x35d50) 2: ARRAY(0x34f88) vs ARRAY(0x1854e88) 3: ARRAY(0x34f88) vs ARRAY(0x1854e34)