C313212111113331323312111133133313331333133313331333133313331333131121113223311   >>    C31321211111333132331211113313331333133313331333133313331333133313112111322331   <<    C313212111113331323312111133133313331333133313331333133313331333131121113223313   >>      C313212111113331323312111133133313331333133313331333133313331333131121113223312   >>