C313212111113331323312111133133313331333133313331333133313113313113313232132311   >>    C31321211111333132331211113313331333133313331333133313331311331311331323213231   <<    C313212111113331323312111133133313331333133313331333133313113313113313232132313   >>      C313212111113331323312111133133313331333133313331333133313113313113313232132312   >>