#include "opcode/dataspace/bridge.bf"
zero out the receiver cells
<[-]<[-]>>
move to first character
>>>>[>>]>

copy back and leave copy
[
  > + <<<< [<<] <<<<
  +
  >>> >>> [>>] >
-]
>
[<+>-]

>

[
  <+<<<< [<<] <<<
  +
  >>> >> [>>] >>>
-]
<
[>+<-]
<< << [<<] <<

