C3123223313331322121111331333133313231333132212111112111111331131213311   >>    C312322331333132212111133133313331323133313221211111211111133113121331   <<    C3123223313331322121111331333133313231333132212111112111111331131213313   >>      C3123223313331322121111331333133313231333132212111112111111331131213312   >>