C31231211111133131211113313231333133313231333132322132313233313232231   >>    C3123121111113313121111331323133313331323133313232213231323331323223   <<    C31231211111133131211113313231333133313231333132322132313233313232233   >>      C31231211111133131211113313231333133313231333132322132313233313232232   >>