B_G 0 1 B_T 0 1 H_g+t+g- 0 1 H_g+x-g- 0 1 H_g+x-t+ 0 1 H_ggg 0 1 H_gtg 0 1 H_gtt 0 1 H_t+g+x- 0 1 H_tgg 0 1 H_tgt 0 1 H_ttt 0 1 H_x+g-g- 0 1 H_x+g-x+ 0 1 P_GG 0 1 P_GX 0 1 P_TG 0 1 P_TT 0 1