C312312111111331312111133133313231333133313112331333131133132323132233131   >>    C31231211111133131211113313331323133313331311233133313113313232313223313   <<    C312312111111331312111133133313231333133313112331333131133132323132233133   >>      C312312111111331312111133133313231333133313112331333131133132323132233132   >>