Here is a snippet from one of the beautiful carpet pages at the back of the #LeningradCodex. I've highlighted a little 'poem' hidden in the page... 
Ofer found a very similar poem at the back of another manuscript also written by #SamuelBenJacob - the so-called 'Lm' #Torah manuscript
And now, here it is again, in an even longer form than in L, nestled at the back of the #WashingtonPentateuch
I've also found the same poem in a Genizah fragment from the Taylor-Schechter collection. Frustratingly, I can't remember which one...
Aha! Found it =) It was T-S D1.32, in case you were wondering. After a discussion of the rules of shewa, and various other masoretic discussions, we have another version of what appears to be the same basic poem...
