1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
serial: 1-4 serial: 10 serial: 15 serial: 30 serial: 50 serial: 90 serial: 999 # The following sum to 500-799 serial: 500 serial: 501 serial: 502 serial: 503-600 serial: 700-797 serial: 798 serial: 799 serial: 599-701 # Some multiple consecutive serial number ranges serial: 10000-20000 serial: 30000-40000