C3123121111331311213331333131133133313331333133313331331121111133313231132321   >>    C312312111133131121333133313113313331333133313331333133112111113331323113232   <<    C3123121111331311213331333131133133313331333133313331331121111133313231132323   >>      C3123121111331311213331333131133133313331333133313331331121111133313231132322   >>