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A vampire number is a non-negative number that can be factored into two numbers (fangs) each with half as many digits as the original where the two factors contain all the digits of the original, in any order. One but not both fangs may have trailing zeros.

For example 1260 = 21*60, 1395 = 15*93, 1435 = 35*41, 1530 = 30*51, etc..

Print all the vampire numbers from 1 to 1,000,000 inclusive, each on their own line.

Be careful with the algorithmic complexity of your solution to avoid timing out.

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Compiled from AT&T syntax to x86-64 Linux. Use syscalls to write output. For accurate byte counts and syntax highlighting, please use the new editor.
Top-level programs are supported, args holds ARGV.
Arguments are available via STDIN, each argument is NULL terminated. Taking input after EOF leaves the cell unchanged, the tape is circular with 65536 cells, and cells are 8-bit with wrapping.
Arguments are available via STDIN, each argument is NULL terminated. x is a no-op.
Arguments are available via STDIN, each argument is NULL terminated.
arguments holds ARGV, print() to output with a newline, write() to output without a newline.
say() is available without any import.
$args to access the arguments.
SELECT arg FROM argv to access the arguments, only the first column of the first result set will be printed, NULL values will be skipped, and the dialect is SQLite.
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