xu8d1q wu8d1 vu8d uu8d1q tu8d1
837d1 737d 637d1q 537d1 437d
jd7d id7d1q hd7d1 gd7d fd7d1q
um6d1q tm6d1 sm6d rm6d1q qm6d1
5v5d1 4v5d 3v5d1q 2v5d1 1v5d