C31231211113313121211113313331323133313331333132322121111113313231333111   >>    C3123121111331312121111331333132313331333133313232212111111331323133311   <<    C31231211113313121211113313331323133313331333132322121111113313231333113   >>      C31231211113313121211113313331323133313331333132322121111113313231333112   >>