Trying lb0 ...
Checking ...
String OK.
Length OK.

Trying lb1 ...
Checking ...
String OK.
Length OK.

Trying lb2 ...
Checking ...
String OK.
Length OK.

Trying lb3 ...
Checking ...
String OK.
Length OK.

Trying lb4 ...
Checking ...
String OK.
Length OK.

Trying lb5 ...
java.lang.IllegalArgumentException: removing negative number (-1) of elements
Checking ...
String OK.
Length OK.