fasa[8], safe[8], asas[4], sasa[4], ssaw[4],
efa[7], fas[7], fes[7], asa[3], sas[3], ewa[3], swa[3], was[3], swe[3],
fa[6], ef[6], fe[6], aa[2], as[2], es[2], se[2], ew[2], we[2],
