species_1 + species_2 + species_3 + species_4 + species_6 + species_7 + species_8 -> species_5 species_5 -> species_1 + species_2 + species_3 + species_4 + species_6 + species_7 + species_8 species_10 + species_9 -> species_11 species_11 -> species_10 + species_9 species_11 + species_12 -> species_13 species_13 -> species_11 + species_12 species_14 -> species_15 species_15 -> species_14 species_1 + species_16 + species_17 + species_18 + species_3 + species_4 + species_53 + species_8 -> species_52 species_52 -> species_1 + species_16 + species_17 + species_18 + species_3 + species_4 + species_53 + species_8 species_19 -> species_20 species_20 -> species_19 species_20 -> species_21 species_21 -> species_20 2*species_21 -> 2*species_21 + species_24 species_22 -> species_24 species_24 -> species_23 species_16 + species_24 + species_25 + species_26 + species_27 -> species_28 species_28 -> species_16 + species_24 + species_25 + species_26 + species_27 species_14 -> species_15 species_29 + species_31 -> species_30 species_30 -> species_29 + species_31 species_15 + species_30 -> species_32 species_32 -> species_15 + species_30 species_31 + species_33 -> species_34 species_34 -> species_31 + species_33 species_15 + species_34 -> species_35 species_35 -> species_15 + species_34 species_31 + species_36 -> species_37 species_37 -> species_31 + species_36 species_15 + species_37 -> species_38 species_38 -> species_15 + species_37 species_32 -> species_15 + species_31 species_35 -> species_15 + species_31 species_38 -> species_15 + species_31 species_30 -> species_31 species_34 -> species_31 species_37 -> species_31 species_31 -> species_39 species_39 -> species_31 species_39 + species_40 -> species_41 species_41 -> species_39 + species_40 species_39 + species_42 -> species_43 species_43 -> species_39 + species_42 species_39 + species_44 -> species_45 species_45 -> species_39 + species_44 species_22 -> species_46 2*species_39 -> 2*species_39 + species_46 species_46 -> species_23 species_22 -> species_47 species_47 -> species_23 species_22 -> species_48 species_48 -> species_23 species_15 + species_29 -> species_49 species_49 -> species_15 + species_29 species_46 -> species_29 + species_46 species_29 -> species_23 species_29 -> species_40 species_40 -> species_29 species_15 + species_33 -> species_50 species_50 -> species_15 + species_33 species_47 -> species_33 + species_47 species_33 -> species_23 species_33 -> species_42 species_42 -> species_33 species_15 + species_36 -> species_51 species_51 -> species_15 + species_36 species_48 -> species_36 + species_48 species_36 -> species_23 species_36 -> species_44 species_44 -> species_36 species_31 + species_49 -> species_32 species_32 -> species_31 + species_49 species_41 -> species_30 species_31 + species_50 -> species_35 species_35 -> species_31 + species_50 species_43 -> species_34 species_31 + species_51 -> species_38 species_38 -> species_31 + species_51 species_45 -> species_37 species_49 -> species_15 species_50 -> species_15 species_51 -> species_15 2*species_39 -> species_24 + 2*species_39