C111112111133131121133133313331333133313331312111112111113331333132312323223311   >>    C11111211113313112113313331333133313331333131211111211111333133313231232322331   <<    C111112111133131121133133313331333133313331312111112111113331333132312323223313   >>      C111112111133131121133133313331333133313331312111112111113331333132312323223312   >>