परिवर्ताश्च चत्वारः पाणयस्त्रय एव च । जात्या चैव हि विश्लोका तां च तालेन योजयेत् ॥ ६१॥
"The transitions are four, and the hands are three. The types are also differentiated by their verses, and they should be arranged with the rhythm."
english translation