C31231211111133131211113313331323133313331312121111331211111133132323232233131   >>    C3123121111113313121111331333132313331333131212111133121111113313232323223313   <<    C31231211111133131211113313331323133313331312121111331211111133132323232233133   >>      C31231211111133131211113313331323133313331312121111331211111133132323232233132   >>