21,4,249
#
in steps
000000 000000
000000
1f07f7 1f07f7
1f07f7
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
1c06f7 1c06f7
1c06f7
007fff 007fff
007fff
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00ff00
00ff7f 00ff7f
00ff7f
1a05f8 1a05f8
1a05f8
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
1705f8 1705f8
1705f8
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
1504f9 1504f9
1504f9
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
1203fa 1203fa
1203fa
ff0000 ff0000
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ff00ff ff00ff
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1003fa 1003fa
1003fa
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
0d02fb 0d02fb
0d02fb
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
0b02fc 0b02fc
0b02fc