C3123223313331322121111331333133313331333232133313113313232233131232321   >>    C312322331333132212111133133313331333133323213331311331323223313123232   <<    C3123223313331322121111331333133313331333232133313113313232233131232323   >>      C3123223313331322121111331333133313331333232133313113313232233131232322   >>