stuck, 82 bytes

Result

WA

Duration

513ms

Code [DL]

s' ',Q~gys' ',Q~0Gz"x:x[0]-x[1]"ms' ',Q~0Gz"x:x[0]-x[1]"ms' ',Q~0Gz"x:x[0]-x[1]"m[

stdin

23 46 21
11 23 56
06 44 91
09 61 02

stdout

stderr

Traceback (most recent call last):
  File "stuck.py", line 167, in <module>
    main()
  File "stuck.py", line 162, in main
    process(prog, stack=[], t=0, nest=0)
  File "stuck.py", line 55, in process
    stack = plugins[plugin].CMDS[char](stack)
  File "plugins/stuck_base.py", line 18, in evl_
    def evl_(s): return s + [eval(s.pop())]
  File "<string>", line 1
    09,61,02
     ^
SyntaxError: invalid token

strace