If earlier munfaṣil is four alifs, what of the later muttaṣil?

Madd Lengths and Permissible Combinations — Ṭūl, Tawassuṭ, Qaṣr and Consistency

• Muttaṣil should be four
• Muttaṣil must be qaṣr
• Muttaṣil must be two
• Change every time