You can apply a sequence here:
> my @c = 'a'..'z'; @c[6...9, 23, 25].map( { qq[<$_>] } )
(<g> <h> <i> <j> <x> <z>)
It has the advantage of working downwards also:
> my @c = 'a'..'z'; @c[9...6, 23, 25].map( { qq[<$_>] } )
(<j> <i> <h> <g> <x> <z>)
You have to be careful with this by ranges:
> my @c = 'a'..'z'; @c[9..6, 23, 25].map( { qq[<$_>] } )
(<> <x> <z>)
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