fig = plt.figure(figsize=(10,6))
fig.suptitle('title',fontsize=14)

plt.axes([0.02,0.55,0.49,0.33])
plt.imshow(data[0])

plt.axes([0.49,0.55,0.49,0.33])
plt.imshow(data[1])

plt.axes([0.02,0.15,0.49,0.33])
plt.imshow(data[2])

plt.axes([0.49,0.15,0.49,0.33])
plt.imshow(data[3])

plt.show()