wbij[8], bitw[7], brwi[6], rwij[6], wcir[5], drwi[5],
bij[7], bid[6], bit[6], dit[5], wij[5], itr[4], tir[4], tri[4], wic[4], diw[4], wid[4], wir[3],
bi[4], ci[3], id[3], iw[2],
