sqlite3, 133 bytes

Result

AC

Duration

1022ms

Code [DL]

select substr(replace(v,substr(v,52,51),substr(v,0,52)),0,instr(v,'K'))||printf('K%.'||(instr(v,'T')-instr(v,'K')%51)||'c','K')from i

stdin

                   T                              
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
        K                                         

stdout

                   T                              
                   T                              
                   T                              
                   T                              
                   T                              
                   T                              
                   T                              
                   T                              
                   T                              
        KKKKKKKKKKKK

stderr

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffcd65511e0 /* 7 vars */) = 0
11    execve("/bin/cat", ["cat", "/volume/CODE"], 0x55c8a9cacd00 /* 7 vars */) = 0
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("/bin/cat", ["cat", "-"], 0x55c8a9caccf8 /* 7 vars */) = 0
12    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
13    execve("/usr/bin/sqlite3", ["/usr/bin/sqlite3", ":memory:", "CREATE TABLE i (v); CREATE TABLE"...], 0x55c8aad10808 /* 7 vars */) = 0
13    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
10    +++ exited with 0 +++