4,15,80
#
in steps
000000 000000
000000
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
010373 010373
010373
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007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
020767 020767
020767
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
030b5b 030b5b
030b5b
7f00ff 7f00ff
7f00ff
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7f7f00
7f7f7f 7f7f7f
7f7f7f
040f50 040f50
040f50
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
051244 051244
051244
ff0000 ff0000
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ff007f ff007f
ff007f
ff00ff ff00ff
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061638 061638
061638
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
071a2c 071a2c
071a2c
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
091e21 091e21
091e21