slice 0    slice 1    slice 2    slice 3
    ___/\___   ___/\___   ___/\___   ___/\___ 
   /        \ /        \ /        \ /        \
  +----------+----------+----------+----------+
  |          |          |          |          | > lane 0
  +----------+----------+----------+----------+
  |          |          |          |          | > lane 1
  +----------+----------+----------+----------+
  |          |          |          |          | > lane 2
  +----------+----------+----------+----------+
  |         ...        ...        ...         | ...
  +----------+----------+----------+----------+
  |          |          |          |          | > lane p - 1
  +----------+----------+----------+----------+