Sb s

Sb sSb sSb sSb sSb sSb s
Sb sSb sSb sSb sSb sSb s
Sb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb sSb s