$s = 'The quick brown fox jumps over the lazy dog';;
print unpack 'C*', $s;;
84 104 101 32 113 117 105 99 107 32 98 114 111 119 110 32 102 111 120 32 106 117 109 112 115 32 111 118 101 114 32 116 104 101 32 108 97 122 121 32 100 111 103

$t = ~$s;;
print unpack 'C*', $t;;
171 151 154 223 142 138 150 156 148 223 157 141 144 136 145 223 153 144 135 223 149 138 146 143 140 223 144 137 154 141 223 139 151 154 223 147 158 133 134 223 155 144 152


$u = ~$t;;
print unpack 'C*', $u;;
84 104 101 32 113 117 105 99 107 32 98 114 111 119 110 32 102 111 120 32 106 117 109 112 115 32 111 118 101 114 32 116 104 101 32 108 97 122 121 32 100 111 103

print $u;;
The quick brown fox jumps over the lazy dog