RosettaCodeData/Task/Ordered-Partitions/J/ordered-partitions-5.j

   (<0 1) ([,] {L:0 (i.@#@, -. [)&;)0 1;2 3;4 5
┌───┬───┬───┬───┐
│0 1│2 3│4 5│6 7│
└───┴───┴───┴───┘