gMarked_fcsMarked_gfyxf(c(s(x),y))f(c(x,s(y)))f(c(s(x),s(y)))g(c(x,y))g(c(x,s(y)))g(c(s(x),y))g(c(s(x),s(y)))f(c(x,y))f(c(s(x),y))f(c(x,s(y)))f(c(s(x),s(y)))g(c(x,y))g(c(x,s(y)))g(c(s(x),y))g(c(s(x),s(y)))f(c(x,y))Marked_f(c(s(x),y))Marked_f(c(x,s(y)))Marked_f(c(s(x),s(y)))Marked_g(c(x,y))Marked_g(c(x,s(y)))Marked_g(c(s(x),y))Marked_g(c(s(x),s(y)))Marked_f(c(x,y))f(c(s(x),y))f(c(x,s(y)))f(c(s(x),s(y)))g(c(x,y))g(c(x,s(y)))g(c(s(x),y))g(c(s(x),s(y)))f(c(x,y))Marked_f(c(s(x),y))Marked_f(c(x,s(y)))Marked_f(c(s(x),s(y)))Marked_g(c(x,y))Marked_g(c(x,s(y)))Marked_g(c(s(x),y))Marked_g(c(s(x),s(y)))Marked_f(c(x,y))f0Marked_g10s210c220Marked_f10g0Marked_f(c(s(x),s(y)))Marked_g(c(x,y))Marked_g(c(s(x),s(y)))Marked_f(c(x,y))f(c(s(x),y))f(c(x,s(y)))f(c(s(x),s(y)))g(c(x,y))g(c(x,s(y)))g(c(s(x),y))g(c(s(x),s(y)))f(c(x,y))Marked_f(c(s(x),y))Marked_f(c(x,s(y)))Marked_g(c(x,s(y)))Marked_g(c(s(x),y))f(c(s(x),y))f(c(x,s(y)))f(c(s(x),s(y)))g(c(x,y))g(c(x,s(y)))g(c(s(x),y))g(c(s(x),s(y)))f(c(x,y))Marked_f(c(s(x),y))Marked_f(c(x,s(y)))f0s310c20Marked_f20g0f(c(s(x),y))f(c(x,s(y)))f(c(s(x),s(y)))g(c(x,y))g(c(x,s(y)))g(c(s(x),y))g(c(s(x),s(y)))f(c(x,y))Marked_g(c(x,s(y)))Marked_g(c(s(x),y))f0Marked_g30s310c120g0