C3123223313331322121111331333133313231333132212111112213231322331   >>    C312322331333132212111133133313331323133313221211111221323132233   <<    C3123223313331322121111331333133313231333132212111112213231322333   >>      C3123223313331322121111331333133313231333132212111112213231322332   >>