C3123121111331311213331333131133133313331333133313311211111333132223221   >>    C312312111133131121333133313113313331333133313331331121111133313222322   <<    C3123121111331311213331333131133133313331333133313311211111333132223223   >>      C3123121111331311213331333131133133313331333133313311211111333132223222   >>