rels[5], elew[5], lewe[5], selw[5], eser[4], serw[4], wers[4],
lee[4], lew[4], ser[3], ewe[3], rew[3], wre[3], swe[3],
el[3], ee[2], er[2], re[2], es[2], se[2], ew[2], we[2],
