Reference for Menachot 151:9

הנך נפישן

With regard to the Shewbread this is expressly stated.<span class="x" onmousemove="('comment',' That there must be twelve cakes; v. Lev. XXIV,5.');">⁷</span> With regard to the griddle-cakes of the High Priest this is inferred by the occurrence of the word 'statute' both here and in connection with the Shewbread.<span class="x" onmousemove="('comment',' V. ibid. 9 and VI, 15.');">⁸</span>

Jastrow