#""
#"^(30)"
#"^(3132)"
#"^(313233)"
#"^(31323334)"
#"^(3132333435)"
#"^(313233343536)"
#"^(31323334353637)"
#"^(line)"
#"^(unknown)"
#"abc"
#"^^(line)"
#"^(31) 
a"
#"a
some token
