In the system I used on my version above, it would be:

me-tan me-tán mé-tan mé-tán = metan meztanh mehtan metanh

where <h> marks high tone on preceding syllables and <z> marks explicitly low tone on preceding syllables.

Edit: Sorry for doing the same as the above but with different tone letters (but I still like my tone letters better). I just did not fully read your post there.