5neg2 4neg 3neg21 2neg2 1neg
gxdg fxdg21 exdg2 dxdg cxdg21
r6cg21 q6cg2 p6cg o6cg21 n6cg2
2fcg2 1fcg 0fcg21 zfcg2 yfcg
dpbg cpbg21 bpbg2 apbg 9obg21