C31231211111133131211113313331333132233133313331333132233132313331333132322211   >>    C3123121111113313121111331333133313223313331333133313223313231333133313232221   <<    C31231211111133131211113313331333132233133313331333132233132313331333132322213   >>      C31231211111133131211113313331333132233133313331333132233132313331333132322212   >>