splitting 1|2|3|4|5|6 with these LIMITs:
    0 => [1!2!3!4!5!6]
    5 => [1!2!3!4!5|6]
    7 => [1!2!3!4!5!6]
   -1 => [1!2!3!4!5!6]

splitting 1|2||4|| with these LIMITs:
    0 => [1!2!empty!4]
    5 => [1!2!empty!4!|]
    7 => [1!2!empty!4!empty!empty]
   -1 => [1!2!empty!4!empty!empty]

splitting |2|3||| with these LIMITs:
    0 => [empty!2!3]
    5 => [empty!2!3!empty!|]
    7 => [empty!2!3!empty!empty!empty]
   -1 => [empty!2!3!empty!empty!empty]

splitting ||||| with these LIMITs:
    0 => []
    5 => [empty!empty!empty!empty!|]
    7 => [empty!empty!empty!empty!empty!empty]
   -1 => [empty!empty!empty!empty!empty!empty]