C3123121111331311213331333131133133313331333133313331331123223312231   >>    C312312111133131121333133313113313331333133313331333133112322331223   <<    C3123121111331311213331333131133133313331333133313331331123223312233   >>      C3123121111331311213331333131133133313331333133313331331123223312232   >>