zptn2 yptn xptn20 wptn2 vptn
azsn 9ysn20 8ysn2 7ysn 6ysn20
l8rn20 k8rn2 j8rn i8rn20 h8rn2
whrn2 vhrn uhrn20 thrn2 shrn
7qqn 6qqn20 5qqn2 4qqn 3qqn20