vim, 20 bytes

Result

WA

Code [DL]

:s/./&\r/g|sor|j!
ZZ

Disassembly

:s/./&\r/g|sor|j!<NL>ZZ

stdin

1008304950733801234686493702304626310400476842084412334455542962868528138217126835303203825309378801

stdout

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stderr

strace