by steps
000000 000000
000000
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ff7fff
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00007f
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0000ff
007f00 007f00
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007f7f 007f7f
007f7f
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e582e4
007fff 007fff
007fff
00ff00 00ff00
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00ff7f
cb86ca cb86ca
cb86ca
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f
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b18ab0
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978e96 978e96
978e96
7f7fff 7f7fff
7f7fff
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7fff7f
7fffff 7fffff
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7d927c 7d927c
7d927c
ff0000 ff0000
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639662 639662
639662
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
499a48 499a48
499a48
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
2f9e2e 2f9e2e
2f9e2e