size(200, 200)
background(0.4)

xpos1 = 100 
xpos2 = 118
count = 0 
timey = 0
num = 12

# Draw gray bars
fill(1)
k=60
for i in range(0, num/3):
  rect(25, k, 155, 5)
  k+=10
  
# Black bars
fill(0)
k = 40
for i in range(0, num):
  rect(105, k, 30, 5)
  k += 10
        
k = 15
for i in range(0, num):
  rect(125, k, 28, 5)
  k +=10
  
# Thin lines
k = 42
fill(0)
for i in range(0, num-1):
  rect(36, k, 20, 1)
  k+=10