C313212111113331323312111133133313331333133313331333133313331333131133112132311   >>    C31321211111333132331211113313331333133313331333133313331333133313113311213231   <<    C313212111113331323312111133133313331333133313331333133313331333131133112132313   >>      C313212111113331323312111133133313331333133313331333133313331333131133112132312   >>