by steps
000000 000000
000000
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b6778f
00007f 00007f
00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
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b8758d
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007fff
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00ff7f
ba748c ba748c
ba748c
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f
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bc728b
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be718a
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7fffff
c07089 c07089
c07089
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c26e88 c26e88
c26e88
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
c46d87 c46d87
c46d87
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
c66c86 c66c86
c66c86