stuck, 229 bytes

Result

WA

Duration

489ms

Code [DL]

ssss["x:x.replace(' ',',')"m["x:map(int,[y.split(',') for y in x])"m"x:[
[x[1][0]-x[0][0],x[1][1]-x[0][1],x[1][2]-x[0][2]],
[x[2][0]-x[0][0],x[2][1]-x[0][1],x[2][2]-x[0][2]],
[x[3][0]-x[0][0],x[3][1]-x[0][1],x[3][2]-x[0][2]]]"m0&

stdin

36 72 63
57 39 81
51 63 02
84 82 84

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 80, in map_
    return s + [map(eval('lambda '+la),l)]
  File "<string>", line 1, in <lambda>
TypeError: int() argument must be a string or a number, not 'list'

strace