2fP(6)t(i,16)(j,10)((d(r2R1R,26),13),4)A5rr1r(d(r2R1R,52)p(1),8)<(52)CA2(dR,7)1AzZArfP(45)t(i,18)CR5dr1y(j,20)a(d(r2R1R,13),16)2AR1tkkkk:::::yyfx