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use Test2::V0; use v5.40; ... my $combined= fancy_algorithm(\@list1, \@list2, \@list3); is( $combined, [qw( K B I S Y N A Q )] );
use Test2::V0; use v5.40; ... my $combined= fancy_algorithm(@lists); is( $combined, [qw( X B P Y N A Z K L )] );