Use of uninitialized value in length at ./jumble.pl line 34, <DATA> line 1.
Use of uninitialized value in split at ./jumble.pl line 34, <DATA> line 1.
Use of uninitialized value in concatenation (.) or string at ./jumble.pl line 36, <DATA> line 1.
Use of uninitialized value in split at ./jumble.pl line 33, <DATA> line 1.