by steps
000000 000000
000000
978ec7 978ec7
978ec7
00007f 00007f
00007f
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0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
978ec5 978ec5
978ec5
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
988fc3 988fc3
988fc3
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
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7f007f
998fc1 998fc1
998fc1
7f00ff 7f00ff
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7f7f00
7f7f7f 7f7f7f
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9a90bf 9a90bf
9a90bf
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9a90bd 9a90bd
9a90bd
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9b91bb 9b91bb
9b91bb
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
9c91b9 9c91b9
9c91b9
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
9d92b7 9d92b7
9d92b7