C111112111133131121133133313331333132313232233131133132313331312133211   >>    C11111211113313112113313331333133313231323223313113313231333131213321   <<    C111112111133131121133133313331333132313232233131133132313331312133213   >>      C111112111133131121133133313331333132313232233131133132313331312133212   >>