C1111121111331311211331333133313331323131133133313331211111333133312132233131   >>    C111112111133131121133133313331333132313113313331333121111133313331213223313   <<    C1111121111331311211331333133313331323131133133313331211111333133312132233133   >>      C1111121111331311211331333133313331323131133133313331211111333133312132233132   >>