my @d1s = sort { $b <=> $a } $d61 ; my @d2s = sort { $b <=> $a } $d62 ; my @d3s = sort { $b <=> $a } $d63 ; my @d4s = sort { $b <=> $a } $d64 ; my @all = sort { $b <=> $a } @d1s, @d2s, @d3s, @d4s ; print "\n@all \n\n" ;