1_1,1_2,1_3,1_4,1_5,1_6,2_7,2_8,2_9,2_10,2_11,2_12,2_13,2_14,2_15,2_16,2_17,2_18,2_19,2_20,2_21,2_22,3_32,3_33,3_34,3_35,4_23,4_24,4_25,4_26,4_27,4_28,4_29,4_30,4_31,5_44,5_45,5_46,5_47,5_48,5_49,5_50,5_51,6_52,6_53,6_54,6_55,6_56,6_57,6_58,6_59,6_60,6_61,6_62,6_63,6_64,6_65,6_66,6_67,6_68,6_69,6_70,7_36,7_37,7_38,7_39,7_40,7_41,7_42,7_43
