Sample 7-1: Two Boxes Separated by a Blank Line

Two boxed tables stacked vertically

 1 7777777777777777777777777777777777⠀⠀⠀#--
 2 ,pot5tial ,5]gy  ,example
 3 "33333333333333  "3333333333333
 4 ,*emical """"""  batt]y
 5 ,ela/ic """""""  -press$ spr+
 6 ,me*anical """"  rock on a l$ge
 7 gggggggggggggggggggggggggggggggggggggggg
 8 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
 9 7777777777777777777777777777777777777777
10 ,k9etic ,5]gy  ,example
11 "333333333333  "333333333333333333333333
12 ,s.d """"""""  vibrat+ object
13 ,!rmal """"""  hot cocoa
14 ,me*anical ""  fall+ rock
15 ,electrical    electrons 9 an electrical
16 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀curr5t
17 gggggggggggggggggggggggggggggggggggggggg
18 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀