by steps
000000 000000
000000
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7f7f00
00007f 00007f
00007f
0000ff 0000ff
0000ff
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72870d 72870d
72870d
007fff 007fff
007fff
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00ff7f
658f1a 658f1a
658f1a
00ffff 00ffff
00ffff
7f0000 7f0000
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589727 589727
589727
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7f7f7f
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3ea842 3ea842
3ea842
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31b04f 31b04f
31b04f
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ff7f7f
ff7fff ff7fff
ff7fff
24b85c 24b85c
24b85c
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
18c16a 18c16a
18c16a