by steps
000000 000000
000000
9eb28a 9eb28a
9eb28a
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
96ac81 96ac81
96ac81
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
8fa678 8fa678
8fa678
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
88a070 88a070
88a070
7f00ff 7f00ff
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7f7f7f 7f7f7f
7f7f7f
819b67 819b67
819b67
7f7fff 7f7fff
7f7fff
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7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
79955e 79955e
79955e
ff0000 ff0000
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ff00ff
728f56 728f56
728f56
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
6b894d 6b894d
6b894d
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
648445 648445
648445