Heat map (vertical): AABBDDCDCCDEAAAAAABBBHFEFEEFGAAAAAAABBDDCDCCDDAAAAAAAAABBBBBBBBAAAAAABDCDDDDDDEFAAAAAAAFEDEEEDDEGAAAAAAAEDDEEEDDEFAAAAAAAEDDDEEEDEEAAAAAAABBDDCDDCDEAAAAAABBBHFEFEEFGAAAAAAABBDDCDCCCDAAAAAAAAABBBBBBBBAAAAAABDCEDDEDDEFAAAAAAAFEDDEEDDEGAAAAAAAEEDEEEDDEFAAAAAAAEEDEEEDDEFAAAAAAAEDDDEEDDEFAAAAAAAAAAAAAAAAAAAAAAAAAACCCCCBCCAAAAAAAAACCCCCBCCAAAAAAAAACCCCCBCCAAAAAAAAACCCCCBCCAAAAAAAAACCCCCBCCAAAAAAAAADCCCCCCCAAAAA