fig[9], gif[9], beg[7], big[7], gib[7], bej[7], jeb[7], gej[7], bij[7], jig[7], bid[6], gid[6], dej[6], gie[5],
ef[6], fe[6], fi[6], be[4], bi[4], ej[4], je[4], de[3], id[3],
