C111123313121111121111331333133313331323132333132313331311332333133313221211   >>    C11112331312111112111133133313331333132313233313231333131133233313331322121   <<    C111123313121111121111331333133313331323132333132313331311332333133313221213   >>      C111123313121111121111331333133313331323132333132313331311332333133313221212   >>