7at9 6at97s 5at97 4at9 3at97s
iks97s hks97 gks9 fks97s eks97
ttr97 str9 rtr97s qtr97 ptr9
42q9 32q97s 22q97 12q9 02q97s
fcq97s ecq97 dcq9 ccq97s bcq97