lang/basic/test/test29.b.g

   1 -2             -1
   2  1              0              0              0
   3  1              1              1              0
   4  0              1              1              0
   5 -1             -2             -2             -1
   6 -1             -2             -1             -1
   7  16            =16?
   8  14            =14?
   9  8             =8?
  10  6             =6?
  11  10            is 10?
  12 -1 =-1?
  13 -14
  14 -14