```
import matplotlib.pyplot as plt
xs, ys = [], []
iterations = 100
x = 10
for i in range(iterations):
y = ((i & 6) & (x | 3)) & ((x | (x << 1)) << 1) ^ (50-i)
xs.append(x)
ys.append(y)
x += 1
plt.plot(xs, ys, 'k-',lw=2)
xs, ys = [], []
x = 0
for i in range(iterations):
y = ((i & 10) & (x | 5)) ^ (((x ^ i//3)) ^ (x & i//50))
xs.append(x)
ys.append(y)
x += 1
plt.plot(xs, ys, 'r-',lw=2)
plt.axis('off')
plt.tight_layout()
plt.show()
```

We could use bit operations to create various space-filling curves, z-curves, dragon curves and other shapes that look as if created by non-trivial algorithms.