sejf[10], siej[6], wiej[6], wije[6], swej[6], siew[4], siwe[4], wsie[4],
fes[7], fis[7], wij[5], eis[3], sie[3], wie[3], swe[3], siw[3], wis[3], wsi[3],
ef[6], fe[6], fi[6], ej[4], je[4], es[2], se[2], si[2], ew[2], we[2], iw[2],
