picfunge, 187 bytes

Result

AC

Duration

1049ms

Code [DL]

00000000  89 50 4e 47 0d 0a 1a 0a  00 00 00 0d 49 48 44 52  |.PNG........IHDR|
00000010  00 00 00 14 00 00 00 04  08 02 00 00 00 01 3d 88  |..............=.|
00000020  c1 00 00 00 82 49 44 41  54 78 9c 75 cc b1 0a 01  |.....IDATx.u....|
00000030  01 00 80 e1 ef 50 ca d5  c5 70 03 19 ac 56 f6 43  |.....P...p...V.C|
00000040  59 bc 80 81 f2 80 06 4f  a0 10 ab 7b 08 0b 65 a0  |Y......O...{..e.|
00000050  88 92 9c 49 31 f8 f6 ff  0f 7a 89 45 97 39 07 5a  |...I1....z.E.9.Z|
00000060  a4 84 0c 98 82 21 33 46  cc b8 11 90 f1 02 75 81  |.....!3F......u.|
00000070  09 29 57 3f 3a 6c 29 10  71 e1 c1 9d 0a 27 f2 c4  |.)W?:l).q....'..|
00000080  ec 19 cb d9 d1 a6 42 f8  15 af 3e bb 84 27 77 9a  |......B...>..'w.|
00000090  9c 28 11 d3 27 63 29 d0  20 61 4d 95 23 45 22 0e  |.(..'c). aM.#E".|
000000a0  94 39 53 63 e3 9f 37 3f  de 20 0f b6 6d 23 82 00  |.9Sc..7?. ..m#..|
000000b0  00 00 00 49 45 4e 44 ae  42 60 82                 |...IEND.B`.|
000000bb

stdin

                                T                 
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
            K                                     

stdout

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            K22222222222222222222

stderr

strace

11    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffd5b4f45e0 /* 7 vars */) = 0
12    execve("/bin/cat", ["cat", "-"], 0x55e1131acd70 /* 7 vars */) = 0
13    execve("/usr/bin/python3", ["/usr/bin/python3", "/root/picfunge/picfunge.py", "/volume/CODE"], 0x55e113b46068 /* 7 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=18, si_stime=3} ---
11    +++ exited with 0 +++