A complete description of the algorithms can be found in Burrows and Wheeler's paper, or in a number of online sources. The algorithms vary somewhat by whether EOF is used, and in which direction the sorting was done. In fact, the original formulation did not use an EOF marker.
a cOMpleTe desCriPtion Of the ALGoRiThms can be fOUnd iN burrOws anD whEELER's paper, Or in a nuMber Of online SoURces. ThE aLgOrithms vArY SomEwhAt by wHeTher eoF Is uSEd, and iN wHich dIrEcTioN thE soRtIng Was done. in FacT, the original Formulation dId nOt UsE an Eof marker.