Hello
123
2
F
oo
a1b2c3
0
,
2
hello!@#
1	3
1	2
e
-1
abc
**!!%%
aaa
ab
b
a
color
colour
he
lo
hello
nil
hello	world

nil
n	o
foo	4
(b(c)d)
7	11
a1,b2,c3
heLLo	2
<foo><bar>	2
aaa	3
bac	1
hi earth	2
4	4
2	2
nil