pp0n2c16 - six-cube palette-chunk in true-color image
pp0n6a08 - six-cube palette-chunk in true-color+alpha image
ps1n0g08 - six-cube suggested palette (1 byte) in grayscale image
ps1n2c16 - six-cube suggested palette (1 byte) in true-color image
ps2n0g08 - six-cube suggested palette (2 bytes) in grayscale image
ps2n2c16 - six-cube suggested palette (2 bytes) in true-color image 