while + continue

x=1
while x < 13:
  for i in range(15):
      x += 1
      if x==10:
        continue
      print(i,x)
else:
  print("while never run")
print("--------------------")
y=1
while y < 13:
  for j in range(15):
      y += 1
      if y==10:
        continue
      if y>=12:
          break
      print(j,y)
else:
  print("while never run")
print("--------------------")
z=1
while z < 13:
  for k in range(15):
      z += 1
      if z==10:
        continue
      if z==12:
          break
      print(k,z)
else:
  print("while never run")