C111112111133131121133133313331333133313331323133313331323223313331312323132311   >>    C11111211113313112113313331333133313331333132313331333132322331333131232313231   <<    C111112111133131121133133313331333133313331323133313331323223313331312323132313   >>      C111112111133131121133133313331333133313331323133313331323223313331312323132312   >>