Manasara 34.56

34.56

athavā hīnādhikāṃśena dīrgha madhye praveśanam
aṃśenāvṛtālindaṃ syāt śeṣaṃ prāguktavannayet

or with parts lessened or increased, entering in the middle along its length; / there should be an aisle enclosed by one part; the rest one should execute as stated before.