make, 170 bytes

Result

AC

Duration

806ms

Code [DL]

n=1 2 3 4 5 6 7 8 9
a:
	$(foreach s,$(subst $() ,X,$(STDIN)),$(or $(strip $(foreach i,$n,$(if $(findstring $i$iX,$s),$i))),$(foreach i,$n,$(if $(findstring X$i,$s),$i))))

stdin

322 252
278 771
684 486
532 459
295 443
233 821
424 649
422 119
394 467
622 321
311 115
649 695
466 643
651 556
755 875
116 181
785 783
399 992
238 937
988 559
983 832
479 557
424 214
566 436
984 153
998 446
561 116
844 749
562 265
889 917
143 338
176 769

stdout

2       7      4         4         4      3      6    2    4      2 1      6    6     5     5 1               7   9         9 8        8      5      2        6 1            4      1         4  2                9   3             7  

stderr

make: 2: No such file or directory
make: *** [/volume/CODE:3: a] Error 127

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffe03bedb40 /* 7 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x55b646b8e028 /* 7 vars */) = 0
12    execve("/usr/bin/ag_launcher", ["/usr/bin/ag_launcher", "-i", "/usr/bin/make", "-f", "/volume/CODE"], 0x55b646b8e0a8 /* 7 vars */) = 0
12    execve("/usr/bin/make", ["/usr/bin/make", "-f", "/volume/CODE"], 0x557277142da0 /* 8 vars */ <unfinished ...>
11    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
12    <... execve resumed>)             = 0
12    +++ exited with 2 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=2, si_utime=0, si_stime=0} ---
10    +++ exited with 2 +++