Cartogram of the Profiled MOX fuel assembly with MOX-Er BA rods. Cell types:1- Fuel cell (with PU2); 2- Fuel cell (with PU2); 3 - Fuel cell (with PU3); 4 - Guide tube cell; 5 - Central tube cell; 6 - Fuel cell (with Er1); 7 - Fuel cell (with PU4).