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

Trying lb1 ...
java.lang.IndexOutOfBoundsException: at 6 deleting 6
Checking ...
String OK.
Length OK.

Trying lb2 ...
java.lang.IndexOutOfBoundsException: at 99 deleting 6
Checking ...
String OK.
Length OK.

Trying lb3 ...
java.lang.IndexOutOfBoundsException: at 1 deleting 9
Checking ...
String OK.
Length OK.

Trying lb4 ...
java.lang.IndexOutOfBoundsException: at -1 deleting 1
Checking ...
String OK.
Length OK.

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