C3123223313331322121111331333133313331311331133133313331333231331121   >>    C312322331333132212111133133313331333131133113313331333133323133112   <<    C3123223313331322121111331333133313331311331133133313331333231331123   >>      C3123223313331322121111331333133313331311331133133313331333231331122   >>