http://www.perlmonks.org?node_id=360084

.......Buried deep as you can dig inside yourself, Eb|--x---------------------------------x------------ Bb|--0---------------------------------0------------ Gb|--0---------------------------------0------------ Db|--9--------------------------------10------------ Ab|--10-------------------------------10------------ Eb|---x--------------------------------x------------ and covered with a perfect shell, Eb|-------------------x-------------- Bb|------------------10-------------- Gb|------------------11-------------- Db|-------------------0-------------- Ab|-------------------0-------------- Eb|-------------------x-------------- such a charming beautiful exterior. Eb|----------------x------------x---- Bb|----------------0-----------10---- Gb|----------------9-----------11---- Db|---------------10------------0---- Ab|----------------0------------0---- Eb|----------------x------------x----