http://qs1969.pair.com?node_id=1128242


in reply to Odometer pattern iterator (in C). (Updated.)

#!/usr/bin/perl # http://perlmonks.org/?node_id=1128230 use strict; $_ = '00111'; 1 while print("$_\n"), s/.*\K01(.*)/10 . reverse $1/e;

gives

00111 01011 01101 01110 10011 10101 10110 11001 11010 11100