C312322331333132212111133133313331333133312121111121111132213223311   >>    C31232233133313221211113313331333133313331212111112111113221322331   <<    C312322331333132212111133133313331333133312121111121111132213223313   >>      C312322331333132212111133133313331333133312121111121111132213223312   >>