C313212111113331323312111133133313331333133313331333133313331333131133231123311   >>    C31321211111333132331211113313331333133313331333133313331333133313113323112331   <<    C313212111113331323312111133133313331333133313331333133313331333131133231123313   >>      C313212111113331323312111133133313331333133313331333133313331333131133231123312   >>