0qqn18 1qqn 2qqn1 3qqn18 4qqn
phrn qhrn1 rhrn18 shrn thrn1
e8rn1 f8rn18 g8rn h8rn1 i8rn18
3ysn18 4ysn 5ysn1 6ysn18 7ysn
sptn tptn1 uptn18 vptn wptn1