$ 42  line number should be 1
@  
(1>>>  
(1>>!)     
(1<=@
(1>>g   
abcdefghijklmnopqrstuvwxyz

    
-
-o
-z
12b
0FFFFFFFFFFFFFFFFFFFFFFh
  PLOP  15h  plop must be 42
pl-op
hello!
(
()
( a
( plip plop
( plip plop   
( plip plop (
(       1 2 )(
(12)
(1 2)
(1$>2)
(1>>
(1>>
(1<>
(42>>42)
(42>>-1)
(42<<42)
(42@>42)
(42<@42)
(1/0)
(1<?2)
(1>?2)
(1%0)
(70000 * 70000) should overflow !
'
'a
'aA