Natyashastra
यदा त्वर्धचतुर्थानि वस्तूनि प्रकरी भवेत् । पश्चिमार्धं तदस्यैव तदर्थं प्राग्निवेशयेत् ॥ २७४॥
When four and a half Vastus constitute the Prakarī, the latter half of it should be placed before for its proper arrangement.
english translation
yadA tvardhacaturthAni vastUni prakarI bhavet । pazcimArdhaM tadasyaiva tadarthaM prAgnivezayet ॥ 274॥
hk transliteration by Sanscript