C1111121111331311211331333133313331323131133133313331133131321311   >>    C111112111133131121133133313331333132313113313331333113313132131   <<    C1111121111331311211331333133313331323131133133313331133131321313   >>      C1111121111331311211331333133313331323131133133313331133131321312   >>