by steps
000000 000000
000000
92f821 92f821
92f821
00007f 00007f
00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
92f721 92f721
92f721
007fff 007fff
007fff
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00ff7f
93f722 93f722
93f722
00ffff 00ffff
00ffff
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93f723 93f723
93f723
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7f7f7f
94f724 94f724
94f724
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94f725 94f725
94f725
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95f726 95f726
95f726
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
95f727 95f727
95f727
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
96f728 96f728
96f728