s/^$/012345N/ s/\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)N/&\1\3\2\4\5\6N\1\4\2\3\5\6N\1\5\2\3\4\6N\1\6\2\3\4\5N/g s//&\1\2\4\3\5\6N\1\2\5\3\4\6N\1\2\6\3\4\5N/g s//&\1\2\3\5\4\6N\1\2\3\6\4\5N/g s//&\1\2\3\4\6\5N/g s/[^N]/& /g s/ N/\n/g s/\n$//m p y/10/01/ p y/12/21/ p y/23/32/ p y/34/43/ p y/45/54/
Note that non-ascii characters in the above source code will be escaped (such as \x9f).