C3123223313331322121111331333133313231333132212111112111113223311212331   >>    C312322331333132212111133133313331323133313221211111211111322331121233   <<    C3123223313331322121111331333133313231333132212111112111113223311212333   >>      C3123223313331322121111331333133313231333132212111112111113223311212332   >>