override fun contentType() = MEDIA_TYPE_MARKDOWN

          override fun writeTo(sink: BufferedSink) {
            sink.writeUtf8("Numbers\n")
            sink.writeUtf8("-------\n")
            for (i in 2..997) {
              sink.writeUtf8(String.format(" * $i = ${factor(i)}\n"))
            }
          }

          private fun factor(n: Int): String {
            for (i in 2 until n) {