@article {ClDuSt2010, author = {Claesson, Anders and Dukes, Mark and Steingr\'{\i}msson, Einar}, title = {Permutations sortable by {$n-4$} passes through a stack}, journal = {Ann. Comb.}, fjournal = {Annals of Combinatorics}, volume = {14}, year = {2010}, number = {1}, pages = {45--51}, issn = {0218-0006}, doi = {10.1007/s00026-010-0044-7}, url = {https://doi.org/10.1007/s00026-010-0044-7}, }