C3123121111331311213331333131133133313331333133313331331122123231323311   >>    C312312111133131121333133313113313331333133313331333133112212323132331   <<    C3123121111331311213331333131133133313331333133313331331122123231323313   >>      C3123121111331311213331333131133133313331333133313331331122123231323312   >>