2.3 - Do Now

Controls:

-Drawing-
"1" - Draws a single square.
"2" - Draws a row of 12 squares going ⟶.
"3" - Draws a diagnal lane of 6 squares going ↗.

-Miscellaneous-
"Space" - Clears all pen marks.
"Enter" - Centers the sprite and points it in direction 90°.