1, 2, 3, 4, 5, 6, 7, 8, 9, 79, 799, 9599, 9887, 98999, 599999, 689999, 698999, 699899, 779999, 788999, 789899, 797999, 798899, 799799, 869999, 878999, 879899, 887999, 888899, 889799, 896999, 897899, 898799, 899699, 959999, 968999, 969899, 977999, 978899, 979799, 986999, 987899, 988799, 989699, 995999, 996899, 997799, 998699, 999599
