Heat map (vertical): AAAAACCDDDDEEEEEEEDBAAAAACCCCCCCLLLLLLMMMMMMMNNNNNNNNNNMMMMMMMMMEEEFFFFFFFFFFFFGGGGGGGGGGGGGGGGEEEFEEFEFHIIHHHHHHHHHHHHHHHHHHIHGGGGGGGGGGGGGGHHHIIJKJKKKKLJJJIIIIIIIIHHHHIIIIIJJJJKKKKKKKKKKLKJJJJJJIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIHHHHHHHHHHHHHIJJKKKMMLLLLLLLMMLLLMLLLLLLLMLLLLKKKKKKJJJJJIGGGGGGGGIHLKKKJLGGGGGGGGGGGGGGJJJJIIJJIJJJJJKJJJJJKKKKJJJKKJJKKJJJJHHHHHHGGGGGGGGGIHLKKKJLFGGGGGGGGGGGGGGGFFFFFFFFFFFFFFEPPEFFFFEEFGHIIHHHHHHHHHHHHIIHHHHIHHHIHHHGGGGGFFFFFEEECCCCCCCCCCCCC