C1111121111331311211331333133313331323131133133313311221333132233312331   >>    C111112111133131121133133313331333132313113313331331122133313223331233   <<    C1111121111331311211331333133313331323131133133313311221333132233312333   >>      C1111121111331311211331333133313331323131133133313311221333132233312332   >>