a2q4 91q44b 81q44 71q4 61q44b

lbq44b kbq44 jbq4 ibq44b hbq44

wkp44 vkp4 ukp44b tkp44 skp4

7to4 6to44b 5to44 4to4 3to44b

i3n44b h3n44 g3n4 f3n44b e3n44