$ b/b//c/b?bBdcdded*d*d c d d0  c0 d c d0 d0 d d d d0 d d d d d d d e dr*d d e ds*d*d e er*d*d e e*e*e*d e*e*e*e*ds*e*e*e e/*e*e*e*ee*e*e*f*f*e*e*e0e*e*f*f/ff*e*ee*f*f*f/f*f*e*ffff*f0fff*f/ff*g*ffgf*f0gff*gffg*gfggggggfgg jcg,Pt[?[#"!  P