Marked_g1g2Marked_hfMarked_g2ahMarked_fg1wzyxf(x,y,w,w,a)g1(x,x,y,w)f(x,y,w,a,a)g1(y,x,x,w)f(x,y,a,a,w)g2(x,y,y,w)f(x,y,a,w,w)g2(y,y,x,w)g1(x,x,y,a)h(x,y)g1(y,x,x,a)h(x,y)g2(x,y,y,a)h(x,y)g2(y,y,x,a)h(x,y)h(x,x)xf(x,y,w,w,a)g1(x,x,y,w)f(x,y,w,a,a)g1(y,x,x,w)f(x,y,a,a,w)g2(x,y,y,w)f(x,y,a,w,w)g2(y,y,x,w)g1(x,x,y,a)h(x,y)g1(y,x,x,a)h(x,y)g2(x,y,y,a)h(x,y)g2(y,y,x,a)h(x,y)h(x,x)xMarked_f(x,y,w,w,a)Marked_g1(x,x,y,w)Marked_f(x,y,w,a,a)Marked_g1(y,x,x,w)Marked_f(x,y,a,a,w)Marked_g2(x,y,y,w)Marked_f(x,y,a,w,w)Marked_g2(y,y,x,w)Marked_g1(x,x,y,a)Marked_h(x,y)Marked_g1(y,x,x,a)Marked_h(x,y)Marked_g2(x,y,y,a)Marked_h(x,y)Marked_g2(y,y,x,a)Marked_h(x,y)