by steps
000000 000000
000000
77a7bc 77a7bc
77a7bc
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
77a7bb 77a7bb
77a7bb
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
77a7ba 77a7ba
77a7ba
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
77a8ba 77a8ba
77a8ba
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
77a8b9 77a8b9
77a8b9
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
77a8b8 77a8b8
77a8b8
ff0000 ff0000
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ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
77a9b8 77a9b8
77a9b8
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
77a9b7 77a9b7
77a9b7
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
77aab7 77aab7
77aab7