C31231211111133131211113313331333132233133313331312111133132313331333132121   >>    C3123121111113313121111331333133313223313331333131211113313231333133313212   <<    C31231211111133131211113313331333132233133313331312111133132313331333132123   >>      C31231211111133131211113313331333132233133313331312111133132313331333132122   >>