minimal2d, 253 bytes

Result

AC

Duration

1189ms

Code [DL]

>D
 R ,----------/DD
 U>>.++++++++++L
D.++++++++++    L     R-----------------/U D
R<</D>R>,----------/DDU----------------.+>>L<.L
U   L               R ---------------------- /UD
U                  .<LD                        L
      U           >>.<L

stdin

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                        K                         

stdout

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                        +!!!!!!!!!!!U

stderr

strace

11    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffedfac66e0 /* 9 vars */) = 0
12    execve("/bin/cat", ["cat", "-"], 0x560de7a7cd60 /* 9 vars */) = 0
13    execve("/usr/bin/python", ["/usr/bin/python", "/root/Minimal-2D.py", "/volume/CODE"], 0x560de800e068 /* 9 vars */) = 0
12    +++ exited with 0 +++
11    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
13    +++ exited with 0 +++
11    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=51, si_stime=0} ---
11    +++ exited with 0 +++