304, 310, 316, 315, 321 Zosapanga dzimbiri zofananira, zimadziwikanso kuti zimabwezedwanso, kugwira ntchito kusintha njira yoyendera pa chitoliro chofanana. Chofananira chofala kwambiri cha tee yosapanga dzimbiri ndi SME B16.9, B16.28 MSS-SP43 \ \Å1 Å.