gnuplot, 80 bytes

Result

AC

Duration

764ms

Code [DL]

set print "-"
do for[i=0:31]{
v=ARG1[i*8+1:i*8+7]
print v%100%11?0+v[5:5]:v%10
}

stdin

191 399
495 358
894 947
761 236
953 392
966 565
843 245
778 772
277 779
755 574
534 329
554 341
822 554
143 337
491 194
933 795
752 549
232 239
488 826
491 882
688 559
113 998
799 216
712 257
413 135
673 772
146 495
186 639
866 664
766 967
578 883
379 539

stdout

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

stderr

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffc1724e6d0 /* 7 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x55c9f0067cf8 /* 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("/usr/bin/gnuplot", ["/usr/bin/gnuplot", "-c", "/volume/CODE", "191 399\n495 358\n894 947\n761 236\n"...], 0x55c9f1f0c290 /* 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} ---
10    +++ exited with 0 +++