x4qa2v w4qa2 v4qa u4qa2v t4qa2
8dqa2 7dqa 6dqa2v 5dqa2 4dqa
jnpa inpa2v hnpa2 gnpa fnpa2v
uwoa2v twoa2 swoa rwoa2v qwoa2
55na2 45na 35na2v 25na2 15na