C111112111133131121133133313331311331333132311312111113331322121211   >>    C11111211113313112113313331333131133133313231131211111333132212121   <<    C111112111133131121133133313331311331333132311312111113331322121213   >>      C111112111133131121133133313331311331333132311312111113331322121212   >>