C3123223313331322121111331333133313231333132212111112111113311212231   >>    C312322331333132212111133133313331323133313221211111211111331121223   <<    C3123223313331322121111331333133313231333132212111112111113311212233   >>      C3123223313331322121111331333133313231333132212111112111113311212232   >>