C3123223313331322121111331333133313231333132212111112111113311331121121   >>    C312322331333132212111133133313331323133313221211111211111331133112112   <<    C3123223313331322121111331333133313231333132212111112111113311331121123   >>      C3123223313331322121111331333133313231333132212111112111113311331121122   >>