diff --git a/12.temporary_ins/06.geometry-coordinates/40.n4/20.overview/base-duale-superiority-math-on-representation_L1200.gif b/12.temporary_ins/06.geometry-coordinates/40.n4/20.overview/base-duale-superiority-math-on-representation_L1200.gif
new file mode 100644
index 000000000..c3f6863db
Binary files /dev/null and b/12.temporary_ins/06.geometry-coordinates/40.n4/20.overview/base-duale-superiority-math-on-representation_L1200.gif differ