Key: D
Introduction:
E
~~~~~~~~ ~~~~ ~~~~~~~~~ ~~~
~~~~~~~~ ~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~
D
~~~~~~ ~~~ ~~~~ ~~~
E
~~~~~~~~~~~~~~~~~~ ~~~~ h h
h h ~~
Key: D
Introduction:
E
~~~~~~~~ ~~~~ ~~~~~~~~~ ~~~
~~~~~~~~ ~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~
D
~~~~~~ ~~~ ~~~~ ~~~
E
~~~~~~~~~~~~~~~~~~ ~~~~ h h
h h ~~