Heat map (vertical): KKKKKKKKKKKKKKKKKLLLLLLLLLLLLLLLLKKLLLLLLLLLLLLLLLLLLLLLMMMMMMMMMMMMMMMMLLLLLKKKKKJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJKKKKKKJJJJJKKKKL