by steps
000000 000000
000000
728ce0 728ce0
728ce0
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00007f
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0000ff
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6e8fd7
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007fff
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6a93ce 6a93ce
6a93ce
00ffff 00ffff
00ffff
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639bbd
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7fffff
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5f9fb4
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5ba3ac 5ba3ac
5ba3ac
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ff7f7f
ff7fff ff7fff
ff7fff
57a7a3 57a7a3
57a7a3
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
54ab9b 54ab9b
54ab9b