Heat map (vertical): ZZZZZZZYYXXWRRTSSUTRTYYYYYYYXXRRTTSUTSTXZZZZZYYXVVWWWWWVWYYYZZZZZZZWTTTTTTTTTTTTTTTTTTTSSSSSSSSSSSSSSSSSSSSRRRQQQQPPPPQQQQQQQPPPPPPPPPPPPPPPPPOOOOOOOOOOOOOOOOOOONMMNNNNNNNNNNNMMMMMMMMLLLLLLLLLLLLLKKKJJKKKKKKKKKKKKKKJJJJJJJIIIIJJJJJJJJJJJJJIIHHHHIIIIIIIIIIJJJJJJJJJJIIIIIIIIJJJJJJJJJJJJIIIIIIIIIHHIIIIIIJJJIIIIIIIIIJJJJKKKKJJJJJJJJJJJJJJJJJJKKKKKKKKKKJJJJIIIJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJIIIHIIIJJJJJJJJJJJJJJJJJJJIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIJJJJIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIHHHHHHHGGFFFFFFGGGGGGGGGGGFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFGGGGGGGGGGGGGGGGGGGGGGG