Best models of Sgr A East found by our method, projections in the xz-plane. First row, from left to right: wind+cloud scenario, models A (10 kyr), B (19 kyr), and C (29 kyr). Second row, from left to right: cloud-only scenario, models D (5 kyr) and F (20 kyr); wind-only scenario G (2 kyr). The colour shows the (logarithm of the) column density of the warm ionised medium (in arbitrary units), and white contours show the column density of the molecular medium (logarithmic scale in arbitrary units). The dashed rectangle denotes the observed position of Sgr A East, and the black and white cross shows Sgr A* at the centre of the Galaxy.