0fa18s 1fa1 2fa18 3fa18s 4fa1

p6a1 q6a18 r6a18s s6a1 t6a18

exb18 fxb18s gxb1 hxb18 ixb18s

3nc18s 4nc1 5nc18 6nc18s 7nc1

sed1 ted18 ued18s ved1 wed18