D|___________|___________|___________||
A|______14___|______14___|______14___||
E|12_15____15|12_15____15|12_15____15||:
B|___________|___________|___________||
#|___________|___________|___________||
  .  .  .  .  .  .  .  .  .  .  .  .
C|___________________________________||
G|___________________________________||
D|2__________________________________||:
A|_________2_________________2_______||
E|__________________3________________||

Each dot at the middle of the tab represents an eight note.
You can also invert the exercise:

D|___________________________________||
A|__________________14_______________||
E|12_______15________________15______||:
B|___________________________________||
#|___________________________________||
  .  .  .  .  .  .  .  .  .  .  .  .
C|___________|___________|___________||
G|___________|___________|___________||
D|2__________|2__________|2__________||:
A|___2_____2_|___2_____2_|___2_____2_||
E|______3____|______3____|______3____||

(c) Diego Souto. All rights reserved.