Heat map (vertical): AAAAACDDDDDDEEEEEEECAAAAAEEEEEFFMNNNNNNNNOOOOOOPPPPPPPPPPPPPPPPPIIJJKKKKKKKKKKKKKKKKLLLLLLLLLLLHHHHHHHHIJKKKMMMMMMMJJJJJJJJJKKKIIIIIIIIIJJJJJJJJJKKLLKLLLLJJJJJJJJJJJJJJJOOOOOOOOOOPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPQQQQQQQQQQQOOOOONNNNNMMMMMMMNNOOPOOPPOOOOOOOOOOOOOONNNNNOOOOONNNNNNNNOPPPONNNNNNNNONPOOOOPLMMNNNNNNNNNNMNLKJHGHHGHHHHHHHHHHHHIHIHHHHHHHHHHHHHFFEEEEDCCCCDEEEGFJIJIHJDDDDDDCCCCCCCCCCCCDDDDDCCDDDDDCNNCCCCCCGHIIKKJIIJJJJIIIIJJJJJIIJIIJJJJJIJIIIIIIIHHHGFEEBBBBBBBBBB