by steps
000000 000000
000000
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86808c
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00007f
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0000ff
007f00 007f00
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007f7f 007f7f
007f7f
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88808f
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007fff
00ff00 00ff00
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00ff7f
8a8093 8a8093
8a8093
00ffff 00ffff
00ffff
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7f007f
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8c8097
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8e819b 8e819b
8e819b
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7fffff
90819e 90819e
90819e
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9281a2
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ff7f00
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ff7f7f
ff7fff ff7fff
ff7fff
9481a6 9481a6
9481a6
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
9782aa 9782aa
9782aa