by steps
000000 000000
000000
858b39 858b39
858b39
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0000ff
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007fff
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7b8a46 7b8a46
7b8a46
00ffff 00ffff
00ffff
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76894d 76894d
76894d
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728954
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6d885b 6d885b
6d885b
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688862
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ff7fff ff7fff
ff7fff
638769 638769
638769
ffff00 ffff00
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ffffff ffffff
ffffff
5f8770 5f8770
5f8770