5,67,251
#
in steps
000000 000000
000000
0000ff 0000ff
0000ff
00007f 00007f
00007f
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007f00
007f7f 007f7f
007f7f
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00ff7f
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7f7f7f
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0653fa 0653fa
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0975f8 0975f8
0975f8
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
0b86f7 0b86f7
0b86f7